1241 people have completed this test so far.

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Can you create low carb meals that taste delicious?

Please read the following information carefully before proceeding.

Why we are doing this research: We are trying to understand how to design Artificial Intelligence (AI) that can help people in decision-making.

What you will have to do: You will be presented with a set of pictures of plates of food. We’ll provide you with the list of ingredients on each plate. Your task is to reduce the carbohydrate content of the presented meal by replacing one of its ingredients. The replacement you choose should also be similar in flavor to the original ingredient. Therefore, your job is to find an optimal replacement that both reduces the carbohydrate content and retains the original flavor of the meal as much as possible. In some of the questions, an AI system that will recognize the ingredients and will present its recommendations for optimal replacements. You will also fill out a questionnaire at the beginning and end of the experiment.

What you will get out of it? We will give you feedback on how well you decided which ingredients to replace and how you compare to others. The studies on this website are not for clinical diagnosis.

Potential risks: There are no risks anticipated in taking part in this study and you are free to leave at any time without penalty or loss of benefits to which you are otherwise entitled.

Privacy: Your responses will be kept anonymous. We do not collect any information that could be used to directly establish your identity.

Duration: Approximately 15 minutes.

By clicking the "I agree" button you confirm that you have read and understood the above and agree to take part in this research. Your participation is voluntary and you are free to leave the experiment at any time by simply closing the web browser.

I agree

Please tell us a little bit about yourself. Why?

These questions are optional, but if you could answer at least the first four, that would really help us.

Have you taken this test before? No Yes (important)

How old are you? 6789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 or more (important)

Compared to your family and friends,
how knowledgeable are you about nutrition? Much less knowledgeable A little less knowledgeable About the same A little more knowledgeable Much more knowledgeable (important)

What is your gender? male female non-binary (important)

How often do you use a computer? Once a week or less A few times a week A couple of hours most days Many hours on most days

What is the highest level of education you have received or are pursuing? pre-high school high school college PhD (Doctorate)

In what country did you live most of your childhood? AfghanistanAland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua And BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia And HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoThe Democratic Republic Of The CongoCook IslandsCosta RicaCote DivoireCroatiaCubaCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (Malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-bissauGuyanaHaitiHeard Island And Mcdonald IslandsHoly See (Vatican City State)HondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle Of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiDemocratic Peoples Republic of KoreaRepublic of KoreaKosovoKuwaitKyrgyzstanLao Peoples Democratic RepublicLatviaLebanonLesothoLiberiaLibyan Arab JamahiriyaLiechtensteinLithuaniaLuxembourgMacaoMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaRepublic of MoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorwayOmanPakistanPalauPalestinian TerritoryPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarReunionRomaniaRussian FederationRwandaSaint HelenaSaint Kitts And NevisSaint LuciaSaint Pierre And MiquelonSaint Vincent And The GrenadinesSamoaSan MarinoSao Tome And PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia And The South Sandwich IslandsSpainSri LankaSudanSurinameSvalbard And Jan MayenSwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwanTajikistanTanzaniaThailandTimor-lesteTogoTokelauTongaTrinidad And TobagoTunisiaTurkeyTurkmenistanTurks And Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUnited States Minor Outlying IslandsUruguayUzbekistanVanuatuVenezuelaViet NamBritish Virgin IslandsU.S. Virgin IslandsWallis And FutunaWestern SaharaYemenZambiaZimbabwe

In what country have you spent most of the past five years? AfghanistanAland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua And BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia And HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoThe Democratic Republic Of The CongoCook IslandsCosta RicaCote DivoireCroatiaCubaCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (Malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-bissauGuyanaHaitiHeard Island And Mcdonald IslandsHoly See (Vatican City State)HondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle Of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiDemocratic Peoples Republic of KoreaRepublic of KoreaKosovoKuwaitKyrgyzstanLao Peoples Democratic RepublicLatviaLebanonLesothoLiberiaLibyan Arab JamahiriyaLiechtensteinLithuaniaLuxembourgMacaoMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaRepublic of MoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorwayOmanPakistanPalauPalestinian TerritoryPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarReunionRomaniaRussian FederationRwandaSaint HelenaSaint Kitts And NevisSaint LuciaSaint Pierre And MiquelonSaint Vincent And The GrenadinesSamoaSan MarinoSao Tome And PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia And The South Sandwich IslandsSpainSri LankaSudanSurinameSvalbard And Jan MayenSwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwanTajikistanTanzaniaThailandTimor-lesteTogoTokelauTongaTrinidad And TobagoTunisiaTurkeyTurkmenistanTurks And Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUnited States Minor Outlying IslandsUruguayUzbekistanVanuatuVenezuelaViet NamBritish Virgin IslandsU.S. Virgin IslandsWallis And FutunaWestern SaharaYemenZambiaZimbabwe

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First we want to learn a little bit more about you in order to understand your personal decision style when choosing between options.

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How was your experience?

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How mentally demanding was understanding how this AI makes decisions?

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You're halfway through! How was your experience?

Let's see the other AI!

Thank you for your participation!

Before we continue to the results, please answer the following two questions:

Did you encounter any technical difficulties or interruptions during this study?   Yes No

Did you cheat or in any way provide false information? If yes, how?   Yes No

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Show me my results!

Overall, your answers matched those of the experts for out of the 24 meals.

On average, you reduced carbs of meals by % and your replacements shared on average % of the flavor molecules of the replaced ingredient.


For the same meals, our experts reduced carbs of meals by % and their replacements shared on average % of the flavor molecules of the replaced ingredient.


Other people, who took the same test, reduced carbs of meals by % and their replacements shared on average % of the flavor molecules of the replaced ingredient. Their answers matched those of the experts % of the time.

Click here to see your performance on each question

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If you have any additional thoughts you'd like to share about this test, please email zbucinca@seas.harvard.edu.