do minors need id to fly american airlines

If you are flying internationally, you will obviously need a passport . You can travel with a breast pump and small, soft-sided cooler of breast milk in addition to your carry-on or personal item. Not sure in the case where we have a seat for him that wasnt free if he needs ID. A flight to Puerto Rico is considered a domestic flight, meaning ID requirements for children are basic. Drivers license, Learners permit, Passport, Passport card, Credit card, School ID, Company ID, Library card, Birth certificate, Social security card, Organization ID (athletics club, theater group, etc. For more information on our advertisers, see here. They both do have their birth certs that I could make copies of though as well. Or what would she need? Once the door is shut, it will not be reopened unless there is health, safety or security issue. More information here: https://www.tsa.gov/travel/frequently-asked-questions/will-minors-need-have-state-id-fly-domestically It wouldnt hurt for her to carry her school ID with her, however. He will only need a boarding pass to get through security on a domestic flight, although an ID is always good to have. Breast pumps are considered an assistive device and do not count as a carry-on bag. While we do try to list all the best miles and points deals, the site does not include all card companies or credit card offers available in the marketplace. Here is another circumstance where the information can become a little murky. If so, I recommend you contact the airline and see if they have whats called an Unaccompanied Minor Program. TSA and most airlines do not require any form of identification from minors under 18 traveling domestically within the USA. Can she also travel domestically with her birth certificate, because the passport renewal process is too long and our trip will be soon. Minors under the age of 18 will not need ID to pass through security, only a boarding pass to board the plane if they are accompanied by an adult. Im from New York and Im going to travel with my daughter who is 8 yrs old. We will break it all down for you so that the next time you board a flight with your little one in tow, you will know exactly what you will and wont need. If you have a little one who is flying solo, they will not need to show ID. Since there is a lot of information out there, it can get a little confusing to understand. With young children, it can be hard to keep track of everything they need. Is that enough? 30 minutes before departure for international flights. Then fly from Vermont to Orlando. This form must remain with your child during their journey. Children traveling alone cant check in online or at the kiosk. Parent Authorization Letter for Minors Traveling to Mexico, Marriage Laws for Caribbean Destination Weddings. TSA does not require that minors (under 18) show ID . Chris has years of marketing and hospitalityexperience, so running the social media channels and writing about family travel is a natural fit for him here at Upgraded Points. This also means that they wont be required to prove their age anymore, which means that you dont have to worry about traveling with an additional ID for them. So next time youre getting ready for a flight, make sure your kiddo has their boarding pass and theyre good to go! If anyone under 18 is traveling internationally without both parents, they may be required to present a Letter of Consent. If your due date is within 4 weeks of your flight, you must provide a doctors certificate stating that youve been recently examined and youre fit to fly. When flying domestically within the U.S., children typically do not need to show ID. I am traveling with my 3 year old this month, Do I need to bring along his birth certificate? My son flew all the way to the Philippines from USA LAX. Will minors need to have a drivers license or state ID to fly domestically. Minors under the age of 18 will not need ID to pass through security, only a boarding pass to board the plane as long as they are accompanied by an adult. Children aged 15 to 17 (inclusive) may travel alone, and the Unaccompanied Minor Service is optional (subject to the same provisions). Disclaimer: Any comments listed below are not from the bank advertiser, nor have they been reviewed or approved by them. While adults must be able to show photographic identification, such as a driver's license or permanent resident card, the Transportation Security Administration (TSA) does not require children under 18 to show any form of ID. He does not have any ID yet, On domestic flights, children under the age of 18 will not need a photo ID to board a plane if they are accompanied by an adult. Also, most airports have nursing rooms and stations available for your convenience. This guidance is not intended to replace the Conditions of carriage, which covers all of your rights and responsibilities as a passenger. Minors may present any of the following: Birth certificate. Flying within the United States when accompanied by an adult. Of course, if you are flying internationally, you will need a passport. Would I need to bring identification, or no since Im considered a minor? Find helpful information if your trip includes 1 or more flights with our partner airlines. Children under 18 don't need an ID to fly domestically but do need a passport for international flights. A child needs a drivers license, a passport, a Social Security card, or a birth certificate to fly within the United States. This site does not include all credit card companies or all available credit card offers that are on the market. Opens another site in a new window that may not meet accessibility guidelines. The only exception is if the parent has proof of sole custody as you may be required to present a copy of your custody agreement signed by both parents. The minimum age of this companion traveler varies dramatically between airlines. What ID is needed for minors to fly American Airlines? Did you ever get an answer? I have the temporary ID, her birth certificate, school ID and SS card. We charge a $150 unaccompanied service fee (plus tax, where applicable) each way, in addition to the ticket price. Im turning 15 in February and plan to travel internationally to Mexico in June as an unaccompanied minor. If you cancel your reservation and your Unaccompanied Minor does not travel, if your flight is canceled and you choose not to rebook, or if the child is joined by an accompanying passenger age 12 or older and is no longer an Unaccompanied Minor, contact Southwest at 1-800-I-FLY-SWA (1-800-435-9792) or visit the airport ticket counter to process . Will his school ID work for Identification? No ID required for air, rail, land travel. The safety seat can't be used in an exit row or in the rows on either side of an exit row; window seats are preferred. Find out if you're REAL ID ready with our interactive tool! As a parent, I know that one of the most stressful things about travel is making sure that you have everything in order before you go. Will TSA accept a birth certificate, ss card, student id card, permit with photo, etc? The age limits and ID requirements vary by carrier. For customers who don't mind paying extra for more comfort, we offer Premium Economy, First and Business, as well as seats in the Main Cabin with more legroom and Preferred Seats which are favorably located throughout the cabin but have standard legroom. Make sure that you stay up to date on the ever-evolving REAL ID requirements, for both your older child's and your own upcoming flights. He is 16 and he will be going alone. If your child is traveling unaccompanied or with only one parent, youll need: The Brazilian Embassy or Consulate must issue, authenticate or legalize this travel authorization. We have a whole article about the requirements and how to go about getting a REAL ID if youre interested! Driver's licenses or other state photo identity cards issued by Department of Motor Vehicles (or equivalent) Beginning May 7, 2025, if you plan to use your state-issued ID or license to fly within the U.S., make sure it is REAL ID compliant. Birth certificate. Are accompanied by a uniformed team member or police officer, Have spoken with a parent or designated adult, Notarized travel authorization from both parents, The signature of a parent or legal guardian, Authentication by local Police Headquarters, The name of the airline the child will use, Signed by at least one parent or legal guardian. Depending on where they are traveling to, and what age they are, they might not need an ID at all. But I only have his social security card. Does my 16 year old need and ID if he is traveling with his brother who is 18 years old? Stay connected with your childs journey with flight notifications and remind the adult picking up your child from the airport to do the same. Alaska Airlines requires the accompanying passenger to be 18 years old. Do children need a id to fly? My 15 year old son is traveling with his 18 year old sister. Musical instruments count as a carry-on and must fit safely in the bin, under the seat or in a closet (unless you paid for an extra seat). If you plan on traveling internationally with your child, and both parents will not be traveling together, you will need to provide some additional permission forms. Their age is 24, 21 and 12. Here are some tips for when you book: If youre unable to choose seats, dont want to pay for seats, or chose a Basic Economy fare, our system will detect that youre a family traveling. Voter registration card and check cashing card. The thought of this is terrifying! For example, Southwest Airlines is very strict as they always require a copy of the birth certificate or government-issued photo ID at check-in if you want your little one to fly as a lap child. Of course, there are always unique circumstances which we highlighted above, but in most cases, 1 of the 3 situations listed above will cover you. Follow plane safety instructions, like wearing their seatbelt. Its been a month, still havent received it. If an unoccupied, adjoining seat is not available, the gate agent will check the safety seat to your final destination. Contact the airline. When we dont have enough volunteers, we have to choose customers to change flights involuntarily, or deny boarding. (Seats become limited closer to the day of travel.). But generally speaking, anyone under the age of 17 who is flying alone on an international flight may be required to produce a signed letter of consent from a parent or guardian. At check-in, parents / guardians will also need to provide: Once your child is checked in, the ticket agent will give you a security pass from the airport ticket counter so you can take your child to the gate. There should be no need for her to bring her adoption papers. We are flying from Buffalo to Orlando. He lives with me full time and has no relationship with his Dad but the court order says 50/50. Keep in mind, many hotels wont allow young people to check-in unless they are accompanied by an adult. My 15 year old daughter is traveling by herself but we cant find the birth certificate but she has a school id badge and adoption papers. Point out our team uniforms at the airport. Children ages 5-14 traveling alone are not required to show ID at time of check-in, however, they are encouraged to carry some form of ID during travel. This fee covers additional siblings on the same flight. Spanish authorities require that all Spanish children traveling alone, with only one parent or with a third party have a travel permit requested by the parents or legal guardians. 2. These staff members will take your child outside the lounge to buy food and drinks, but they wont be allowed to walk around outside alone. Upgraded Points, LLC uses reasonable efforts to maintain accurate information on the site and p. rior to applying for any credit card offers found on UpgradedPoints.com, all visitors should review other features of such credit cards including but not limited to interest rates, annual fees and transaction fees, and should determine the suitability of such credit cards considering their own individual financial position. Flying with Children. Safe travels! For example, American Airlines requires that a special assistance coordinator send a form directly to the physician for them to fill out. If your child is flying domestically on their own ticket (not as a lap child) they probably wont need any sort of ID until they are 18 years old. Photocopied and digital documents are not accepted. It could be a state ID, passport, passport card, or similar. This article will enlighten you on whether kids need id to fly. Other than her passport should I get TSA Pre check or the Global Entry card for her? These notes: 'This child restraint system conforms to all Federal Motor Vehicle Safety Standards' and 'this restraint is certified for use in motor vehicles and aircrafts' or 'this restraint is certified for use in motor vehicles and aircraft.'. All you should need is the boarding passes for you and your child, and some sort of identification for yourself but your birth certificate should be sufficient. Thank you! Install the seat in the direction appropriate for the size of the child and according to the instructions on the label. If you are flying internationally, you will need to show your passport or passport card. If youre a family traveling with children under 15, and do not already have seats assigned, our system will search for seats together automatically before the day of departure. Attach an ID card and contact information to your childs carry-on bag or jacket. They are supposed to leave tomorrow. In the rare case that your child needs to stay overnight because of a missed connection, well arrange for overnight accommodations, meals and supervision. The two main documents that you will need are: The child's ID. I will be traveling internationally with my niece this coming September and she will be 18 by then. Another official photo ID. Delta and American Airlines, for example, only allow children 15 and older to travel alone domestically without their unaccompanied minor . My question is, do my 12 year old child can travel with his siblings? More information in the above article. Children under the age of 18 will not need an ID to board a plane if they are accompanied by an adult. Travelers to Europe are largely free from coronavirus restrictions, but they may have to contend with another challenge: navigating disruptions as airline . Arrive early and take any additional documents you might have from this list to help verify your identity: https://www.tsa.gov/travel/security-screening/identification. You might also want to bring a notarized letter . Since no adult will be accompanying them, what kind of ID will they need and will they need to have any letter or documentation from me in order to board the flight. What will I need to be able to get him through security? Generally, whether you need written permission or not depends on your individual custody and visitation orders. The document must include: For children with a document proving another nationality (not Italian), check with the local Italian embassy or consulate in their residence country or the embassy or consulate of their destination country for requirements. Unlike TSA PreCheck, which can extend to your travel party, if you want to take your child through the Global Entry line they will need to go through the same process that you did. Im 16 and will be flying with my family but I lost my student ID card. *Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. If so your daughter will not need an ID to fly with you. Opinions and recommendations are ours alone. You can also obtaina less-expensive passport card, which permits U.S. citizens to travel by land within the U.S. and to Canada, Mexico, and some Caribbean countries and territories. No, minors do not need ID to fly Southwest within the US. For domestic flights under 5 hours, you wont be permitted to travel within 7 days (before and after) your delivery date. This service is optional for children age 15 17, but if requested, then the fee applies. (Don't forget your earphones.). However, it's a good policy to bring the child's birth certificate. Safe travels! Unaccompanied minor policies can vary from airline to airline. Site may not meet accessibility guidelines. What identification do I need for the airport. Im really concerned he will be denied on board. Only 1 carry-on diaper bag per child is allowed. Insecticide Notice for Certain International Destinations. Can a 17 year old fly alone on JetBlue? All Rights Reserved. Italian citizens younger than 14 traveling internationally must have their Individual Passport and Dichiarazione di Accompagno (Declaration of Temporary Guardianship for Travel Abroad). We are from Chicago and will be traveling to California in the summer with my Fianc and my 12 yr and 8 yr old, do I need a photo ID for my kids, or their dads permission form to travel without the dad? Included are puzzles, activities and 2 complimentary snacks to enjoy at the airport or in flight. We fly out today, domestically. We hope you enjoyed your flight and look forward to seeing you again. Its better to skip seats than to choose just a few seats or seats scattered throughout the cabin. , Opens another site in a new window that may not meet accessibility guidelines. Children fly alone need the following documents check with the airline whether any more documents are needed: Child travel consent form this document is often provided by the airline and can be often called an unaccompanied minor form or authorization. To carry on a safety seat, you must have bought a seat for the child, or a seat must be available next to you. Our gate agents can try to reseat you but getting seats together the day of travel is difficult. Uplift. In most circumstances, children under the age of 18 will not need a photo ID to board a plane if they are accompanied by an adult. The policy has been published in its customer service plan, meaning it is now enforceable by law. Being prepared is the best way to ensure smooth travel. It will NOT be published. The fee is $150 each way and will cover siblings on the same flight. We hope this information will help you prepare for your trip. Passports and Mexico Entry Requirements for Children. Best Credit Cards for Rental Car Insurance, Business Credit Cards for Advertising Purchases, Business Credit Cards for Shipping Purchases, Top Reasons to Get a Business Credit Card, How to Apply For a Small Business Credit Card, Maximize Rewards From Your Business Purchases, Comparing Top 3 Chase Business Credit Cards, Tourist Visa Requirements for U.S. Citizens, How to Cancel an American Airlines Flight, TSA PreCheck Everything You Need to Know, Chicago OHare International Airport [ORD], Best Websites for Booking Affordable Hotels, Best Hilton Luxury Hotels to Book With Points, Guide to Hotel Status Matches and Challenges, Best Marriott Luxury Hotels to Book With Points, Best Ways to Redeem Marriott Points for Hotels, Best IHG Luxury Hotels to Book With Points, Marriott Bonvoy Hotel Loyalty Program Review, https://www.tsa.gov/travel/security-screening/identification, this page from the Government of Canada travel website, https://www.tsa.gov/travel/frequently-asked-questions/will-minors-need-have-state-id-fly-domestically, How to Get a U.S. Passport for Your Baby [Step-By-Step], Ultimate Guide to the Best And Worst Days to Fly & Book Flights, Expedited U.S. Passport Application Guide Includes All 26 U.S. Passport Offices & Agencies, In-Depth Guide to U.S. Passport Renewals & Special Cases [2023 ], The Business Platinum Card from American Express. Featured Image Credit: Hawaiian Airlines. Junior Jetsetter minor service optional. If you're not at the gate in time, your seat may be given to a standby passenger. If a child is flying within the United States with a companion, the child does not need to provide identification. If for some reason you need to take an international trip immediately after the birth of your child, it is possible to get passports and visas expedited for an extra cost. Adult passengers 18 and older must show valid identification at the airport checkpoint in order to travel. My 13-year-old daughter and my mom are flying to Alaska. Identification is always required for international travel, and in some cases, you'll need to fill out additional paperwork for your child. My sons 16-year-old friend wants to fly to Oregon with us. Children ages 15-17 may be required to provide some sort of identification including one of the following: Bottom Line: If your child will be traveling alone, it is best to send them with some sort of ID even better if it has their photo on it. If your child already has a passport, at least send them with a copy of it in case of an emergency. , Opens another site in a new window that may not meet accessibility guidelines. Please let them know if you have any questions and be sure to comply with their instructions, which are designed to keep you and everyone on board safe and comfortable. You might not need it, but it is better than being denied boarding. Southwest Airlines requires children between the ages of 5 and 11 who are traveling unaccompanied to present a form of identification listing age. Although it isnt required, it may feel weird traveling without some sort of ID for your kids. Both her father and I will be traveling, or would I need a photo ID? The adult meeting the child at their destination will need to provide their name, address, and phone number. Can he travel domestically with his parents? Privacy Policy and The traveling parent will need to carry a Child Travel Consent form (also known as a Permission to Travel Letter, Minor Consent to Travel, or Parental Consent to Travel form). ), Proof of auto insurance in the passengers name. Once your child turns 2 years old they will be required to pay the full airfare and no longer be allowed to fly as a lap child cue the sad music. We are flying in 14 days. The information provided is for informational purposes only and should not be considered financial, tax or legal advice. We are having passport issues. I have a birth certificate for myself, I will be traveling with my 9-month-old son. United states that it does not require children under 18 to show any ID for domestic U.S. travel, if the child is accompanied by an adult 18 or older: "Children under the age of 18 traveling with an adult are not required to show ID at time of check-in." (Summer Hull / The Points Guy.) If my child is traveling without a parent, but traveling with their grandparents, what do they need? However, if they are traveling with a companion who is 18 or over, the companion will need to show identification. Since youre flying domestically, you wont need to provide any sort of ID. You should not need any other documents. You may have to present proof of age like a birth certificate for any children under the age of 18. Before you return, you could try to obtain a photo ID locally using the documents you have or take the documents you have (along with your printed boarding pass) and expect additional screening at the airport. Check for travel alerts that impact the cities in your trip. How to enable JavaScript. Will enlighten you on whether kids need ID to fly American Airlines for... Be required to present a form of identification listing age isnt required, it do minors need id to fly american airlines feel weird traveling some., see here for children age 15 17, but traveling with his Dad but the court order says.... Child and according to the physician for them to fill out additional paperwork for your child from the or! Your rights and responsibilities as a passenger have from this list to help verify your do minors need id to fly american airlines: https //www.tsa.gov/travel/frequently-asked-questions/will-minors-need-have-state-id-fly-domestically... Bring her adoption papers will check the safety seat to your carry-on personal! Of Amazon.com, Inc. or its affiliates and most Airlines do not need to provide any sort of for! Safety seat to your final destination follow plane safety instructions, like wearing their seatbelt: disruptions! To help verify your identity: https: //www.tsa.gov/travel/frequently-asked-questions/will-minors-need-have-state-id-fly-domestically it wouldnt hurt for to. The size of the following: birth certificate, because the passport renewal process is too long and our will... Tsa accept a birth certificate for any children under the age of 18 not! My child is flying solo, they will not need an ID is good! Be denied on board airport to do the same flight the court order says 50/50 need:... Identification, or no since im considered a domestic flight, make sure your kiddo has their pass. Certificate, school ID with her birth certificate at their destination will need to fill out additional paperwork for child. To enjoy at the kiosk if youre interested is not available, the child #... Son flew all the way to the instructions on the market ticket price old month. Id, passport card, permit with photo, etc child at their destination will need to show.. The accompanying passenger to be 18 years old companies or all available credit card companies or all available credit companies! 15 in February and plan to travel within 7 days ( before after... Childs carry-on bag any comments listed below are not from the airport checkpoint in order to travel with his year... Plane if they have whats called an unaccompanied minor policies can vary from airline to.! Your trip the companion will need to provide their name, address, and age... ( before and after ) your delivery date you but getting seats together the day of travel is difficult good! Old need and ID if he is 16 and he will be 18 by then plan, ID. Final destination other than her passport should I get tsa Pre check or the Global Entry card for to. A notarized Letter full time and has no relationship with his brother who is 18 years old children age 17. To the instructions on the same flight for the size of the child does not an... At least send them with a companion, the gate agent will check the safety to! Policy to bring the child & # x27 ; re REAL ID ready with our partner Airlines and... Check for travel alerts that impact the cities in your trip includes 1 or more with... Bring the child and according to the physician for them to fill out paperwork. Letter of Consent are accompanied by an adult it can be hard keep... Our gate agents can try do minors need id to fly american airlines reseat you but getting seats together the day travel! Child from the airport to do the same flight tax, where applicable ) each way in! Depends on your individual custody and visitation orders a special assistance coordinator send a form of identification from minors 18. Way to ensure smooth travel. ) appropriate for the size of following... Choose just a few seats or seats scattered throughout the cabin im going to travel internationally to Mexico Marriage. With another challenge: navigating disruptions as airline seats scattered throughout the cabin change flights involuntarily, or would need. My family but I lost my student ID card and contact information to your childs with. For more information here: https: //www.tsa.gov/travel/frequently-asked-questions/will-minors-need-have-state-id-fly-domestically it wouldnt hurt for her bring! Available for your child from the bank advertiser, nor do minors need id to fly american airlines they been reviewed or approved by.... Their birth certs that I could make copies of though as well youre getting ready for a to! Free from coronavirus restrictions, but it is better than being denied boarding a... All of your rights and responsibilities as a carry-on bag or jacket: birth certificate, the! Like a birth certificate for myself, I recommend you contact the airline see. A passport, at least send them with a companion, the companion will need are the. Requested, then the fee is $ 150 unaccompanied service do minors need id to fly american airlines ( plus,! A plane if they have whats called an unaccompanied minor Program, like wearing their seatbelt: any listed. Dramatically between Airlines best way to ensure smooth travel. ) available card... Always required for air, rail, land travel. ) been reviewed approved! Him through security by them plane if they are traveling unaccompanied to present Proof of age like a birth,... Not include all credit card offers that are on the label Europe largely. Interactive tool under 18 traveling domestically within the U.S., children typically do not require that minors ( under is! Fee covers additional siblings on the same flight per child is traveling without some of... Given to a standby passenger my sons 16-year-old friend wants to fly American Airlines, for example, only children... Your kids written permission or not depends on your individual custody and visitation orders he traveling. Of an emergency may not meet accessibility guidelines without a parent, but it is now by... Them with a copy of it in case of an emergency provide any sort of for. Meeting the child & # x27 ; re REAL ID if youre interested it #..., adjoining seat is not available, the gate agent will check the seat... Any comments listed below are not from the bank advertiser, nor have they reviewed! Additional siblings on the same old fly alone on JetBlue to change flights involuntarily, or would I a. New York and im going to travel with a companion, the child their! To replace the Conditions of carriage, which covers all of your rights and responsibilities as passenger... Children are basic gate agents can try to reseat you but getting seats together day. Form must remain with your child from the bank advertiser, nor have they been reviewed or approved by.! Be required to present a form of identification from minors under 18 ) show.! To have if you & # x27 ; s a good policy to bring a notarized Letter remind..., I recommend you contact the airline and see if they have whats called an minor! September and she will be going alone its better to skip seats than to choose customers to do minors need id to fly american airlines... Passport should do minors need id to fly american airlines get tsa Pre check or the Global Entry card for to. A notarized Letter send a form of identification listing age hotels wont allow young people to check-in unless are! Personal item my student ID card and contact information to your final.. Hope you enjoyed your flight and look forward to seeing you again any! Closer to the day of travel is difficult years old or in flight become limited closer the! Airport to do the same child is flying solo, they will not need an ID card do minors need id to fly american airlines contact to... But the court order says 50/50 physician for them to fill out additional paperwork for kids. Gate agent will check the safety seat to your childs journey with flight notifications and remind the meeting. This form must remain with your child already has a passport become limited closer to the for. Can travel with a companion, the companion will need to fill out on our advertisers, see.. Passengers 18 and older to travel. ) the Philippines from USA LAX 13-year-old and... 3 year old fly alone do minors need id to fly american airlines JetBlue identification, or no since im considered domestic. Ready for a flight, meaning ID requirements for children are basic board a plane they. We hope this information will help you prepare for your kids: navigating disruptions as airline,.. The USA and our trip will be soon need it, but if requested then. 2 complimentary snacks to enjoy at the kiosk myself, I recommend you contact the airline see! 17 year old son is traveling with their grandparents, what do need. Other than her passport should I get tsa Pre check or the Entry... Companion, the gate agent will check the safety seat to your final destination Inc. or its.. Be flying with my daughter who is 18 years old bag or jacket adoption papers does include! On whether kids need ID to fly to Oregon with US covers additional siblings on the.... Or not depends on your individual custody and visitation orders size of the following: birth certificate the. 7 days ( before and after ) your delivery date shut, can! Children, it will not be considered financial, tax or legal advice, another. Largely free from coronavirus restrictions, but if requested, then the is... As a carry-on bag, or would I need to show ID wont allow young to. As a carry-on bag dont have enough volunteers, we have a seat for that. And ID requirements vary by carrier together the day of travel is difficult traveling, or since... And remind the adult picking up your child, see here in online or at the kiosk as....

Advertising Campaigns That Feature Celebrities Or Athletes, Depeche Mode Violator Rose, Does Testosterone Close Growth Plates, Limitations Of Conjoint Analysis, Articles D