Public Projects
If you think your app could be useful for others, please email chris@otree.org and I can feature it here.
otree-demo
Links
Description
These are the sample games you get when you download oTree.
Apps
Last updated
2019-05-13
demo-eet
Links
Author
Felix Holzmeister
Description
The 'eet' app implements the Equality Equivalence Test as proposed by Kerschbamer (2015).
The app features a straightforward setup of several variants of the task and can be freely
parameterized in a single file (config.py).
Apps
- eet This oTree application allows to implement the Equality Equivalence Test (EET) as proposed by Ker...
Last updated
2019-07-09
bret-demo
Links
Author
Felix Holzmeister
Description
This app allows conducting the Bomb Risk Elicitation Task (BRET)
as proposed by Crosetto/Filippin (2013) as an oTree application
in numerous different variants by simply altering the documented
variables in config.py.
Apps
- bret Bomb Risk Elicitation Task (BRET) à la Crosetto/Filippin (2013), Journal of Risk and Uncertainty ...
Last updated
2019-07-09
cl-demo
Links
Author
Felix Holzmeister
Description
The apps allow conducting the certainty equivalent method (CEM), the iterative choice list procedure (ICL),
the multipe price list method (MPL), and the single choice list procedure (SCL) to elicit individual level
risk preferences in different variants and parameterizations by adapting the documented variables in config.py.
Apps
- cem Certainty equivalent method as proposed by Cohen et al. (1987) and Abdellaoui et al. (2011), as w...
- icl Staircase risk elicitation task as proposed by Falk et al. (2016), Working Paper.
- mpl Multiple price list task as proposed by Holt/Laury (2002), American Economic Review 92(5).
- scl Lottery choice task as proposed by Eckel/Grossman (2002), Evolution and Human Behavior 23 (4), 28...
Last updated
2019-07-09
unihd
Links
Apps
- pgg Public Good Games in standard and persistent form with variable number of players and 30 + x rounds.
- pgg_ending Public Good Games in standard and persistent form with variable number of players and 30 + x rounds.
- pgg_instructions Public Good Games in standard and persistent form with variable number of players and 30 + x rounds.
Last updated
2020-02-17
otree-snippets
Links
Description
Recipes for common tasks in oTree
Apps
- groups_csv Reads groups from a CSV file. Inside this app, you will find a groups6.csv, which defines the gr...
- radio_switching_point Table where each row has a left/right choice, like the strategy method. This app enforces a singl...
- random_page_order For each participant, randomize the order of tasks A, B, and C. Task B has 2 pages, which are alw...
Last updated
2018-12-25
ancient-woodland-48436
Links
Description
oTree games
Apps
- negotiations Echo Chambers
Last updated
2019-09-26
marshall-fbe1
Links
Apps
- feedback
- quizmulti Quiz for walras
- walras Walrasian Equilibrium Selection The only real tricky thing in the software is the implementation...
Last updated
2019-11-07
back-button
Links
Author
Luca Henkel
Description
This is a demonstration on how to implement a back button in oTree using the bootstrap navbar.
Apps
- back_button_v1
- back_button_v2
- back_button_v3
Last updated
2019-09-10
continuous-choice
Links
Apps
- game Game Play Stage
- instructions Instructions Phase
- payoff Payoff Phase
- practice Practice Stage
Last updated
2019-01-24
experimentwageinequality
Links
Apps
- realefforttask multi-round real effort task
Last updated
2019-02-07
floating-harbor-77156
Links
Apps
- AtC_game
- contribution_game Public Goods Game for groups of 3 with threshold
- CRT
- final_payment
- final_payment_2
- lemonade_stand This is a search task experiment that uses leadership roles as a coordination mechanism
- Plurality_Vote_Fullinfo Plurality voting contest with full information
- social_value_orientation
- STAR_voting_CI STAR voting contest with full information
- strategic_complexity
- strategic_voting Game used to test subject's strategic reasoning in various voting systems using a "level-k" frame...
- survey_2
- survey_enforcement
- turnaround
Last updated
2020-03-11
khealth-productivity
Links
Author
Namun Cho
Apps
- basic_survey 기초정보 설문조사
- decision_survey Part of the KBERI's experimental study for 부모협동형 대안교육의 현황과 제도적 개선방안 연구
- ending 부모협동형 대안교육의 현황과 제도적 개선방안 연구 를 위한 일반인 대상 인식조사
- experimental_survey_1 2020 khealth 한국건강증진개발원 금연프로젝트
- experimental_survey_2 2020 khealth 한국건강증진개발원 금연프로젝트
- experimental_survey_3 2020 khealth 한국건강증진개발원 금연프로젝트
- experimental_survey_4 2020 khealth 한국건강증진개발원 금연프로젝트
- health_survey Part of the KBERI's experimental study for khealth
- iat IAT (Implicit Association Test) solution for KBERI 2019 research"
- introduction 부모협동형 대안교육기관의 현황과 제도적 개선방안
- nonsmoker 한국건강증진개발원 (khealth.or.kr)의 2020 금연 관련 프로젝트 설문문항(비흡연자쿼터용)
- nonsmoker_dependent 비흡연자 대상 흡연의향 종속변수
- package_choice 한국건강증진개발원 흡연 관련 프로젝트의 담배갑 선호
- risk_attitude
- smoker 한국건강증진개발원 (khealth) 금연 프로젝트 설문 중 흡연자 대상 문항 부분
- smoker_dependent 흡연자 대상 흡연의향 종속변수
- smoking_belief 흡연 및 금연에 대한 인식 공통문항
- socioeconomic_survey 한국건강증진개발원 흡연 프로젝트 온라인 설문조사
Last updated
2020-04-08
cess-maze-game
Links
Apps
- maze_timing
Last updated
2019-05-29
decision-volley
Links
Apps
- volleying
Last updated
2020-02-13
extensionmaasetal
Links
Description
Apps
- biasjesse Jesse bias
- bret Bomb Risk Elicitation Task (BRET) à la Crosetto/Filippin (2013), Journal of Risk and Uncertainty ...
- epq Ex-post Questionnaire
Last updated
2020-04-04
ntuexp2019
Links
Author
Wang Song
Apps
- benchmark Benchmark Voucher: Cannot be passed to juniors (i.e., the simplest donor priority rule)
- benchmark2 Benchmark Voucher as second stage, for change of rules
- benchmark2b Benchmark Voucher as second stage, for no change of rule
- benchmark_instructions Instruction for benchmark voucher, and quizzes. For first stage!
- designated Designated Vouchers
- designated2 Designated Vouchers as second stage
- designated2b Designated Vouchers as second stage
- designated_instructions Instruction for designated voucher, and quizzes. For first stage!
- exp_instructions Instructions for the general rule regardless of the treatment
- extended Extended vouchers
- extended2 Extended vouchers as second stage
- extended2b Extended vouchers as second stage
- extended_instructions Instruction for extended voucher, and quizzes. For first stage!
- general_info Starting Page
- holtlaury Holt Laury Risk Elicitation
- survey_emergent Survey and Payment Info
Last updated
2019-04-15
p190202
Links
Apps
- deer_hunting3 사슴사냥 3인용 연습
- delegative_voting
Last updated
2019-03-01
evokhu
Links
Author
Namun Cho
Apps
- battleSex This is a 2-player 2-strategy coordination game. The name and story originated from <a href="h...
- hd_1r Simple Chicken Game (HDG) (1 rounds)
- oligopoly Oligopoly Game (Equivalent to PDG 1 round)
- pd Continuous Prisoner's Dilemma (fixed partner, 10 rounds)
- pd_1r Simple Prisoner's Dilemma (1 rounds)
- pd_indirect Continuous Prisoner's Dilemma (random partner, 5 rounds)
- ult 최후통첩게임
- ult1 최후통첩게임
- ult1_1r 최후통첩게임
- ult2 최후통첩게임
- ult2_1r 최후통첩게임
- volunteer Volunteer Dilemma, 2018.9.28 작성
Last updated
2020-01-22
econ-experiment
Links
Apps
- big5_questionnaire Questionnaire with emphasis on Big 5 personalities (OCEAN) and consideration of future consequenc...
- bret Bomb Risk Elicitation Task (BRET) à la Crosetto/Filippin (2013), Journal of Risk and Uncertainty ...
- coopetition1 Coopetition game: trade-off between value co-creation and value appropriation
- coopetition_mturk Coopetition game: trade-off between value co-creation and value appropriation
- coopetition_quiz Quiz questions that test the understanding of PD with private monitoring and communication
- coordination Stag-hunt game to measure the tolerance of strategic uncertainty
- guess_number a.k.a. Keynesian beauty contest. Players all guess a number; whoever guesses closest to p of the...
- investment_task Investment task that measures risk preferences. Similar to Gneezy and Potter (1997) and Eckel and...
- meeting_place Choosing meeting place and time. A coordination game that illustrates Schelling's focal point.
- payment_info_asym_PD Payment information for the session
- payment_online Payment information for the session
- payment_simple Payment information for the session
- pure_coordination Beauty contest as a coordination game: choose the most beautiful face.
- questions Questions that can be measures by a likert scale (1-7).
- ravens Raven's progressive matrices test measuring cognitive ability
- repeated_game_PD Finitely repeated "Prisoner's Dilemma", 3 different treatments: random matching, fixed matching, ...
- repeated_game_randpay A series of finitely repeated coordination games. One round in each game is randomly chosen for p...
- risk_preferences Simply gamble choice for risk preference elicitation
- simple_survey very short questionnaire
- social_preference_elicitation Games used to estimate parameters of the Fehr-Schmidt model of inequality aversion
- survey_likert Questions that can be measures by a likert scale (1-7).
- survey_online Survey questions
- wildcat
Last updated
2019-02-22
wc-rev2
Links
Apps
- auction Phase 1: Auction Phase: Set to 80 rounds, 10 for each lottery.
- dice Phase 2: Dice Phase, for lack of a better description.
- expected Expected Value
- payoff Final Payment Phase
- questionnaire Final Questionnaire
Last updated
2019-10-01
leasing-experiment
Links
Apps
- bargaining_experiment
- closing
- opening
Last updated
2019-01-29
normalformtest
Links
Apps
- lobby
- pd
- waiting
Last updated
2020-02-27
austeja-experiments
Links
Author
Austėja Kažemekaitytė
Apps
- anagram_ctb_1 First part (anagram task) of anagram+ctb experiment
- anagram_ctb_2 CTB for ctb_pilot_single task
- consA
- consB
- consC
- intertemporal 2019.11.20 Intertemporal pilot
- intertemporal_2 2019.11.20 Intertemporal pilot
- recall_ctb_1 2019.09.20 Recall task pilot + emotion questionnaire
- recall_ctb_2 2019.09.20 CTB (money/effort)
- recall_task 2019.09.20 Recall task pilot + emotion questionnaire
- slider_task Slider task for real effort
- slider_task_2 Slider task for real effort
Last updated
2020-02-20
game11-20
Links
Apps
- eleven_twenty In Cournot competition, firms simultaneously decide the units of products to manufacture. The uni...
Last updated
2020-03-13
gamblingbandit
Links
Apps
- gambling_bandit gambling app (one armed bandit)
- gambling_bandit_MoreLuck gambling app (one armed bandit)
- gambling_instructions gambling instructions
- gambling_instructions_MoreLuck gambling instructions
- game_instructions_t0 gambling instructions
- game_instructions_t1 gambling instructions
- game_instructions_t2 gambling instructions
- game_instructions_t3
- game_t0 gambling app (one armed bandit)
- game_t1 gambling app (one armed bandit)
- game_t2 gambling app (one armed bandit)
- game_t3
- game_trial_t0 gambling app (one armed bandit)
- game_trial_t1 gambling app (one armed bandit)
- game_trial_t2 gambling app (one armed bandit)
- game_trial_t3
- introduction
- risk Lottery choice task as proposed by Eckel/Grossman (2002), Evolution and Human Behavior 23 (4), 28...
- summary
Last updated
2020-04-02
testingthepdp
Links
Apps
- pd
Last updated
2020-03-11
patrick-heroku
Links
Apps
- spi_strategies Antecedents to CEOs' Strategic Political Stances
Last updated
2020-04-04
ga202002
Links
Apps
- oTreemf
- S1_DG1
- S2_UG1
- S3_DG2
- S4_UG2in
- S5_UG2out
- SB1_pBCG
- SB2_CT
- SQ_belief
- SQ_Question
Last updated
2020-02-12
whispering-retreat-95816
Links
Apps
- ignoring_advice
- immoral_leadership
- leadership
- leadership_3
- leadership_5
- nego_chat_msg
- nego_test
- negotiation This player's decision
- negotiation_chat
- negotiation_chat_instructions
- overconfidence
- overconf_test
- payoff
- q_ams
- QCM A quiz app that reads its questions from a spreadsheet (see quiz.csv in this directory). There is...
- risk
- social_pref
- tax
- tax_PSM
- tax_PSM_FR
- tax_test
- tax_test_V2
- timertest
Last updated
2020-04-07
experimentaleconomics
Links
Apps
- consent_page
- minimum_effort_game
- minimum_effort_game_surveys
Last updated
2020-03-26
ch-samplingtest
Links
Author
Christoph Huber
Apps
- int
- postexp Post-Experiment Tasks for 'Sampling'
- sampling Sampling Returns and Price Developments - Volatility Shocks
Last updated
2019-12-02
cess-dnd
Links
Apps
- exp
Last updated
2019-05-08
excuse-driven
Links
Apps
- elicitation Ceci n'est pas une excuse - elicitation
- tasks_today Ceci n'est pas une excuse - today's tasks
- tasks_tomorrow Ceci n'est pas une excuse - tomorrow's tasks
Last updated
2019-04-12
eksperiment-uib
Links
Apps
- Questions Gir informasjon og spør etter telefonnummer.
- questions2 Questions about how they felt.
- tax_evasion_game_0prosent This is a game about love❤️
- tax_evasion_game_10prosent This is a game about love❤️x2
- tax_evasion_game_2prosent This is a game about love❤️x2
Last updated
2020-04-04
morning-headland-21995
Links
Apps
- threeAsset This app is the investment decision for three assets.
- twoAsset This app is the investment decision with two assets.
Last updated
2020-03-05
nuexperiments
Links
Apps
- Game1 Test 2-by-2 inspector vs. firm game
- Game2 Test 3-by-3 inspector vs. firm game
- Game3 Test 2-by-2 inspector vs. firm game
- Game4 Test 3-by-3 inspector vs. firm game
- payment_info1 This application provides a webpage instructing participants how to get paid. Examples are given ...
Last updated
2020-03-14
labexperimentthesis
Links
Author
GD
Apps
- Baseline1_InvGame 5-rounds baseline investment game
- Baseline1_InvGameRESD1 7-rounds baseline investment game
- Baseline2_InvGame 5-rounds baseline2 investment game
- IntroSessionRESD1 ID from survey and explanation\n
- Post_exp_survey post experiment survey
- Post_exp_surveyRESD1 post experiment survey
- Prova_base 7-rounds baseline investment game
- Prova_treatment 7-rounds treatment investment game
- SessionIntro ID from survey and explanation\n
- Treatment_InvGame 5-rounds treatment investment game
- Treatment_InvGameRESD1 7-rounds treatment investment game
- Trial_InvGame Trial investment game
- Trial_InvGameRESD1 Trial investment game
Last updated
2020-03-27
aqueous-cliffs-60932
Links
Apps
- allport
- bachallenge Challenges for prospective BA students
- cognitivenoise App with decision task, to come after elicitation task
- datingapp Challenges for prospective BA students: Dating App
- digitalmarketing Challenges for prospective BA students: Digital Marketing
- DOSPERT
- dreber This is a repeated "Prisoner's Dilemma". Two players are asked separately whether they want to co...
- dsraq Survey combining DSR (13+12 questions) and AQ (29 questions)
- eoq Stock Control Game for 19BSB100 & 19BSB580 students to be used to teach EOQ model and ABC cla...
- ERQ
- foundationtask For 19BSC068
- LAFsurvey Survey combining Allport and REI
- linkstudy Link study
- moonrover BA challenge: Moonrover
- neuronewsvendor Newsvendor game with within-subject block treatments (attend, reappraise) Payoffs given in a payo...
- neutralvendor Decision making between lotteries Parameters as in low margin Newsvendor This app is made from th...
- newsvendor Newsvendor game Payoffs given in a payoff table High and low margin treatments
- nvcomp NV competition with independent demands
- nvcompnoniid NV competition with common industry demand split in half
- nvcompnoniid2 Continuation for those players who have already played nvcompnoniid, no test questions
- nvsingle NV monopoly
- OMNV Newsvendor game for BSB100 and BSB580 Payoffs given in a payoff table High and low margin treatm...
- REI
- slider Newsvendor with slider selection Profits as in Schweitzer and Cachon, q between 1 and 300
- stackelberg In Stackelberg competition, firms decide sequentially on how many units to produce. The unit sell...
- svo SVO: 6 dictator allocations, strategy method, each has 9 options
- svofirst SVO: 6 dictator allocations, strategy method, each has 9 options
- twopartynewsvendor Two party newsvendor game where customer-side is represented by another passive player Payoffs gi...
Last updated
2020-03-05
cmu-study
Links
Apps
- study Incentive Compatible Disclosure Study
- test_game
Last updated
2020-04-02
pjulius
Links
Apps
- BoSN This experiment implements a 4-player Battle of the Sexes game with 3 Nash equilibria. Red player...
- bret Bomb Risk Elicitation Task (BRET) à la Crosetto/Filippin (2013), Journal of Risk and Uncertainty ...
- Deferred_Savings This experiment implements a realistic progressive tax schedule to test the effects of a tax-def...
- DMP Implements an experimental version of the Diamond-Mortensen-Pissarides job matching model. Parti...
- double_auction Based on the double auction template created by Jan Dietrich, I created a two-dimensional version...
- Double_Slit A double slit experiment on demand effects in experiments
- Double_Slit_monitored -This study is limited to residents of the United States who are at least 18 years of age. -It ...
- etfs ETF: Duffy, Rabanal, Rud by JP Rabanal
- etfs2 ETF: Duffy, Rabanal, Rud by JP Rabanal
- etfs_old ETF: Duffy, Rabanal, Rud by JP Rabanal
- Public_Goods_Bargaining A game where two players bargain sequentially over 100 points split between their account, the ot...
- Savings This app implements a simple individual choice task, choosing how much to borrow or save in orde...
Last updated
2020-02-13
radiant-castle-15575
Links
Apps
- syllogismMturk syllogism task taken from Kokis et al. (2002)
Last updated
2019-09-11
ra-jung
Links
Apps
- ball_catch Ball-Catching Task
- decoding_ret Real Effort Task; decoding letters
- minimum
- payment_info_jung This application provides a webpage instructing participants how to get paid. Examples are given ...
- realefforttask multi-round real effort task
- ret_adding Real Effort Task. Add as many ints as possible.
- ret_typing Real Effort Task. Type as many strings as possible.
- slider
- stroopapp
- stroopapp2
- survey_jung
Last updated
2019-03-16
ringvar
Links
Apps
- ringvar
Last updated
2019-10-23
mturk-experiment
Links
Apps
- bret Bomb Risk Elicitation Task (BRET) à la Crosetto/Filippin (2013), Journal of Risk and Uncertainty ...
- coopetition_inclass Coopetition game: trade-off between value co-creation and value appropriation
- coopetition_inclass_quiz Instructions on coopetition games, with quiz questions testing understanding.
- coopetition_lab Coopetition game: trade-off between value co-creation and value appropriation
- coopetition_lab_payment Payment information for the session
- coopetition_lab_quiz Quiz questions that test the understanding of PD with private monitoring and communication
- coopetition_lab_survey Survey questions
- coopetition_mturk Coopetition game: trade-off between value co-creation and value appropriation
- coopetition_oneshot Coopetition game: trade-off between value co-creation and value appropriation
- coopetition_quiz Quiz questions that test the understanding of PD with private monitoring and communication
- guess_number a.k.a. Keynesian beauty contest. Players all guess a number; whoever guesses closest to p of the...
- meeting_place Choosing meeting place and time. A coordination game that illustrates Schelling's focal point.
- multiarm_bandit Multiarm bandit problems for studying trade-offs between exploration and exploitation
- otree_mturk_utils Custom Waiting Pages and Pages for mTurk
- payment_inclass Payment information for the session
- payment_online Payment information for the session
- payment_simple Payment information for the session
- payoff_matrix_quiz Instructions on how to read payoff matrices, with quiz questions testing understanding.
- pure_coordination Beauty contest as a coordination game: choose the most beautiful face.
- questions Questions that can be measures by a likert scale (1-7).
- repeated_game_PD Finitely repeated "Prisoner's Dilemma".
- repeated_game_randpay A series of finitely repeated coordination games. Computer randomly chooses several rounds in eac...
- risk_preferences Simply gamble choice for risk preference elicitation
- russian_roulette Simply gamble choice for risk preference elicitation
- simple_survey very short questionnaire
- survey_online Survey questions
Last updated
2019-12-21
dome-unifi
Links
Description
Qui si può provare l'esperimento o programmarne un pilota
Apps
- bare_market A market game version with no charities
- market 2 firms complete in a market by setting prices and quality for homogenous goods.
- payment_recap This application provides a recap of all previous results You need to save the results you want t...
- quest Total player payoff
- risk Simple lottery to infer risk attitudes
- role_uncertain_dictator Dictators with role uncertainty: each player is asked to play the dictator role. Subjects know th...
- tsm Tentative Two-sides Market model
- welcome_choice Introduces and welcomes, but first of all acquires code received by the experimenters
- welcome_noCharity Introduces and welcomes, but first of all acquires code received by the experimenters
Last updated
2019-02-04
slidertask
Links
Apps
Last updated
2019-01-22