|Specific variables |Stands for | |names | | |Participant | | |Round | | |Second_half | | |Trial_type |-“Regular” indicates this was a regular trial, with no | | |prediction | | |- NOAL indicates this was a prediction trial in which the | | |alternative outcome was NOT displayed first. | | |- ALOE indicates this was a prediction trial in which the | | |alternative outcome was displayed before the prediction | | |was made. | |Condition |Regular is encoded as 0 | | |BET_NOAL is encoded as -1 | | |BET_ALOE is encoded as 1 | |isBET |Indicates whether this was a prediction trial or not. | |outcome |Indicates whether the received outcome was a gain or a | | |loss | |AltGain |Indicates whether the alternative was a gain or a loss | |Chose_gain |For BET_NOAL and BET_ALOE trials, this indicates whether | | |the participant predicted that the alternative would be a | | |gain or not (for Regular trials, the value is | | |meaningless). | |LocalCorr |Indicates what was the correlation between the received | | |and the alternative outcomes up to this trial. | |Chose_right |Indicates whether the participant chose the box on the | | |right side of the screen, or the one on the left side. | |TotalScore |Indicates the points accumulates by the participant up to | | |this trial. | |gender |Male = 0 | | |Female = 1 | |Extraversion; |Scores for the Big Five questionnaire | |Agreeableness; | | |Conscientiousness; | | |neuroticism; | | |openness | | |General variables names|Stands for | |Variable_alt |This is the interaction between Variable and AltGain, when| | |VariableX is centered. | | |Example: gender_alt is the interaction between gender | | |(centered) and AltGain. | |VariableC |Value of Variable when it is centered. | | |Example: extraversionC is the value of Extraversion when | | |it is centered. | | | | EXPERIMENT 1 |Specific variables |Stands for | |names | | |Participant |Participant number | |Round |Round number | |Second_half |Indicates whether the round belongs to the first/second | | |half experiment. | |Trial_type |-“Regular” indicates this was a regular trial, with no | | |prediction | | |- NOAL indicates this was a prediction trial in which the | | |alternative outcome was NOT displayed first. | | |- ALOE indicates this was a prediction trial in which the | | |alternative outcome was displayed before the prediction | | |was made. | |Condition |Regular is encoded as 0 | | |BET_NOAL is encoded as -1 | | |BET_ALOE is encoded as 1 | |isBET |Indicates whether this was a prediction trial or not. | |outcome |Indicates whether the received outcome was a | |AltGain |( | |Chose_gain |For BET_NOAL and BET_ALOE trials, this indicates whether | | |the participant predicted that the alternative would be a | | |gain or not (for Regular trials, the value is | | |meaningless). | |LocalCorr |Indicates what was the correlation between the received | | |and the alternative outcomes up to this trial. | |Chose_right |Indicates whether the participant chose the box on the | | |right side of the screen, or the one on the left side. | |TotalScore |Indicates the points accumulates by the participant up to | | |this trial. | |gender |Male = 0 | | |Female = 1 | |Extraversion; |Scores for the Big Five questionnaire | |Agreeableness; | | |Conscientiousness; | | |neuroticism; | | |openness | | |General variables names|Stands for | |Variable_alt |This is the interaction between Variable and AltGain, when| | |VariableX is centered. | | |Example: gender_alt is the interaction between gender | | |(centered) and AltGain. | |VariableC |Value of Variable when it is centered. | | |Example: extraversionC is the value of Extraversion when | | |it is centered. | | | | EXPERIMENT 2 |Specific variables |Stands for | |names | | |Participant |Participant number | |Round |Round number | |Second_half |Indicates whether the round belongs to the first/second | | |half experiment. | |isBET |Indicates whether this was a prediction trial or not. | |outcome |Indicates whether the received outcome was a gain (1) or a| | |loss (0) | |AltGain |Indicates whether the alternative was a gain (1) or a loss| | |(-1) | |Chose_gain |For prediction trials, this indicates whether the | | |participant predicted that the alternative would be a gain| | |or not (for Regular trials, the value is meaningless). | |LocalCorr |Indicates what was the correlation between the received | | |and the alternative outcomes up to this trial. | |Chose_right |Indicates whether the participant chose the box on the | | |right side of the screen, or the one on the left side. | |TotalScore |Indicates the points accumulates by the participant up to | | |this trial. | |gender |Male = 0 | | |Female = 1 | |zerosum |Score for the Zero Sum questionnaire | |Extraversion; |Scores for the Big Five questionnaire | |Agreeableness; | | |Conscientiousness; | | |neuroticism; | | |openness | | |General variables names|Stands for | |Variable_alt |This is the interaction between Variable and AltGain, when| | |VariableX is centered. | | |Example: gender_alt is the interaction between gender | | |(centered) and AltGain. | |VariableC |Value of Variable when it is centered. | | |Example: extraversionC is the value of Extraversion when | | |it is centered. | | | | Note: Subject 126 was excluded from analysis because of cheating. EXPERIMENT 3 |Specific variables |Stands for | |names | | |Participant |Participant number | |Round |Round number | |Second_half |Indicates whether the round belongs to the first/second | | |half experiment. | |isBET |Indicates whether this was a prediction trial or not. | |outcome |Indicates whether the received outcome was a disk (1) or a| | |triangle (0) | |AltDisk |Indicates whether the alternative was a disk (1) or a | | |triangle (-1) | |Chose_disk |For prediction trials, this indicates whether the | | |participant predicted that the alternative would be a disk| | |or not (for Regular trials, the value is meaningless). | |LocalCorr |Indicates what was the correlation between the received | | |and the alternative outcomes up to this trial. | |Chose_right |Indicates whether the participant chose the box on the | | |right side of the screen, or the one on the left side. | |TotalScore |Indicates the points accumulates by the participant up to | | |this trial. | |gender |Male = 0 | | |Female = 1 | |Extraversion; |Scores for the Big Five questionnaire | |Agreeableness; | | |Conscientiousness; | | |neuroticism; | | |openness | | |General variables names|Stands for | |Variable_alt |This is the interaction between Variable and AltGain, when| | |VariableX is centered. | | |Example: gender_alt is the interaction between gender | | |(centered) and AltGain. | |VariableC |Value of Variable when it is centered. | | |Example: extraversionC is the value of Extraversion when | | |it is centered. | | | | EXPERIMENT 3 – Comparison to Study 1 of Marciano-Romm et al (2016) |Specific variables |Stands for | |names | | |Experiment |2 indicates that this is the data of the current | | |Experiment 3 | | |1 indicates this the data of Study 1 of Marciano-Romm et | | |al. (2016) | |Participant |Participant number | |Round |Round number | |isBET |Indicates whether this was a prediction trial or not. | |outcome |Indicates whether the received outcome was a disk (1) or a| | |triangle (0) | |AltGain |Indicates whether the alternative was a disk (1) or a | | |triangle (-1) | |Chose_Gain |For prediction trials, this indicates whether the | | |participant predicted that the alternative would be a disk| | |or not (for Regular trials, the value is meaningless). | |Experiment_alt |Interaction between Experiment and AltGain |