Participant number
Duration (in seconds)
Duration quartile categorization
Duration 10 percentile categorization
Mean speed: 55 mph over 50 miles, 20 mph over 10 miles (correct: 42.58 mph)
Mean speed: 70 mph over 50 miles, 30 mph over 10 miles (correct: 57.27 mph)
Mean speed: 55 mph over 50 miles, 10 mph over 10 miles (correct: 31.43 mph)
Mean speed: 60 mph over 50 miles, 20 mph over 10 miles (correct: 45.00 mph)
Rule code: Mean speed: 55 mph over 50 miles, 20 mph over 10 miles (correct: 42.58 mph)
Rule code: Mean speed: 70 mph over 50 miles, 30 mph over 10 miles (correct: 57.27 mph)
Rule code: Mean speed: 55 mph over 50 miles, 10 mph over 10 miles (correct: 31.43 mph)
Rule code: Mean speed: 60 mph over 50 miles, 20 mph over 10 miles (correct: 45.00 mph)
Sum of rule codes: Mean speed
Number of missing mean speed cases
Mean speed categorization (at least 3/4 same strategy)
Mean speed categorization ranked (0 = unknown, 1 = diff, 2 = avg, 3 = ratio, 4 = corr)
What if you drive this time 15 mph and you were able to stop the car just before the child. Then, you drive 25 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collision speed w
What if you drive this time 20 mph and you were able to stop the car just before the child. Then, you drive 30 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collision speed w
What if you drive this time 30 mph and you were able to stop the car just before the child. Then, you drive 45 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collision speed w
What if you drive this time 45 mph and you were able to stop the car just before the child. Then, you drive 70 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collision speed w
Rule code: What if you drive this time 15 mph and you were able to stop the car just before the child. Then, you drive 25 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collis
Rule code: What if you drive this time 20 mph and you were able to stop the car just before the child. Then, you drive 30 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collis
Rule code: What if you drive this time 30 mph and you were able to stop the car just before the child. Then, you drive 45 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collis
Rule code: What if you drive this time 45 mph and you were able to stop the car just before the child. Then, you drive 70 mph and brake maximally, but you will hit the child with your car. At what speed do you think that you will hit the child? The collis
Sum of rule codes: Breaking speed
Number of missing breaking speed cases
Breaking speed categorization (at least 3/4 same strategy)
Ranking of complexity of breaking speed rule
TS_Q20 Rule A:20 25 B:35 _
TS_Q21 Rule A: 25 30 B:50 _
TS_Q22 Rule A:35 80 B:20 _
TS_Q23 Rule A:35 70 B:20 _
Time save missing cases
Sum of rule codes: Time save
Time save strategy categorization (at least 3/4 same strategy)
Ranking of complexity of time save rule
There will be 100 fatalities with an average speed of 30 mph. If the average speed is instead 40 mph, there will be in total .... fatalities.
There will be 100 fatalities with an average speed of 30 mph. If the average speed is instead 60 mph, there will be in total .... fatalities.
There will be 100 fatalities with an average speed of 50 mph. If the average speed is instead 60 mph, there will be in total .... fatalities.
There will be 100 fatalities with an average speed of 50 mph. If the average speed is instead 70 mph, there will be in total .... fatalities.
Rule code: There will be 100 fatalities with an average speed of 30 mph. If the average speed is instead 40 mph, there will be in total .... fatalities.
Rule code:There will be 100 fatalities with an average speed of 30 mph. If the average speed is instead 60 mph, there will be in total .... fatalities.
Rule code:There will be 100 fatalities with an average speed of 50 mph. If the average speed is instead 60 mph, there will be in total .... fatalities.
Rule code:There will be 100 fatalities with an average speed of 50 mph. If the average speed is instead 70 mph, there will be in total .... fatalities.
Number of missing accident rate cases
Sum of rule codes: Accident rate
Accident risk categorization (at least 3/4 same strategy)
Ranking of complexity of accident rate rule
Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 30 mph. The stopping distance is .... feet.
Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 40 mph. The stopping distance is .... feet.
Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 50 mph. The stopping distance is .... feet.
Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 60 mph. The stopping distance is .... feet.
Rule code:Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 30 mph. The stopping distance is .... feet.
Rule code:Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 40 mph. The stopping distance is .... feet.
Rule code:Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 50 mph. The stopping distance is .... feet.
Rule code:Please, estimate the stopping distance when the same driver brakes in the same way at a speed of 60 mph. The stopping distance is .... feet.
Number of missing stopping distance cases
Sum of rule codes: Stopping distance
Stopping distance categorization (at least 3/4 same strategy)
Ranking of complexity of stopping distance rule
Number of problem types where ratio rule was used (at least 3/4 cases within problem type)
Number of problem types where difference rule was used (at least 3/4 cases within problem type)
Number of problem types where unknown rule was used (at least 3/4 cases within problem type)
Ranked complexity of rule across problem types (sum)
Ranked complexity of rule across problem types (sum, braking speed not included)
I plan tasks carefully.
I plan tasks carefully. (reversed)
I do things without thinking.
I make-up my mind quickly.
I am happy-go-lucky.
I don’t “pay attention.”
I have “racing” thoughts.
I plan trips well ahead of time.
I plan trips well ahead of time. (reversed)
I am self controlled.
I am self controlled. (reversed)
I concentrate easily.
I concentrate easily. (reversed)
I save regularly.
I save regularly. (reversed)
I “squirm” at plays or lectures.
I am a careful thinker.
I am a careful thinker. (reversed)
I plan for job security.
I plan for job security.(reversed)
I say things without thinking.
I like to think about complex problems.
I like to think about complex problems.(reversed)
I change jobs.
I act “on impulse.”
I get easily bored when solving thought problems.
I act on the spur of the moment.
I am a steady thinker.
I am a steady thinker.(reversed)
I change residences.
I buy things on impulse.
I can only think about one thing at a time.
I can only think about one thing at a time.(reversed)
I change hobbies.
I spend or charge more than I earn.
I often have extraneous thoughts when thinking.
I am more interested in the present than the future.
I am restless at the theater or lectures.
I like puzzles.
I am future oriented.
I am future oriented.(reversed)
BIS index (mean)
to be a skillful driver.
to be a safe driver.
to predict what will happen in traffic.
to drive smoothly.
Subjective driving skill index
Correct answer: A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost? _____ cents
Correct answer:If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets? _____ minutes
Correct answer:In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake? _____ days
Cognitive reflection test index
Out of 1,000 people in a small town 500 are members of a choir. Out of these 500 members in the choir 100 are men. Out of the 500 inhabitants that are not in the choir 300 are men. What is the probability that a randomly drawn man is a member of the choir
Correct answer:Out of 1,000 people in a small town 500 are members of a choir. Out of these 500 members in the choir 100 are men. Out of the 500 inhabitants that are not in the choir 300 are men. What is the probability that a randomly drawn man is a memb
In a forest 20% of mushrooms are red, 50% brown and 30% white. A red mushroom is poisonous with a probability of 20%. A mushroom that is not red is poisonous with a probability of 5%. What is the probability that a poisonous mushroom in the forest is red?
Correct answer:In a forest 20% of mushrooms are red, 50% brown and 30% white. A red mushroom is poisonous with a probability of 20%. A mushroom that is not red is poisonous with a probability of 5%. What is the probability that a poisonous mushroom in the
Numeracy number of correct answers
What is your age?
Do you posses a current valid driver license?
Your gender:
Approximately how many miles do you drive each year?
Have you experienced a traffic accident with material damage?
How likely is it that you will end up in a traffic accident with material damage in 5 years from now?
How many deaths due to traffic accidents were there in USA in 2016? (approximately)
To better ensure that you are compensated for participation, please enter your Mturk ID below:
Mean speed 1 difference (Judgment - Correct)
Mean speed 2 difference (Judgment - Correct)
Mean speed 3 difference (Judgment - Correct)
Mean speed 4 difference (Judgment - Correct)
Mean speed 1 difference (Judgment - Correct) (switched sign)
Mean speed 2 difference (Judgment - Correct)(switched sign)
Mean speed 4 difference (Judgment - Correct)(switched sign)
Mean speed average diff from prediction
Breaking speed 1 difference (Judgment - Correct)
Breaking speed 2 difference (Judgment - Correct)
Breaking speed 3 difference (Judgment - Correct)
Breaking speed 4 difference (Judgment - Correct)
Time save 1 difference (Judgment - Correct)
Time save 2 difference (Judgment - Correct)
Time save 3 difference (Judgment - Correct)
Time save 4 difference (Judgment - Correct)
Risk increase 1 difference (Judgment - Correct)
Risk increase 2 difference (Judgment - Correct)
Risk increase 3 difference (Judgment - Correct)
Risk increase 4 difference (Judgment - Correct)
Stopping distance 1 difference (Judgment - Correct)
Stopping distance 2 difference (Judgment - Correct)
Stopping distance 3 difference (Judgment - Correct)
Stopping distance 4 difference (Judgment - Correct)
Participant ID number
Cluster Number of Case
Average Mean speed difference from correct
Average Breaking speed difference from correct
Average Time save difference from correct
Average Risk increase difference from correct
Average Stopping distance difference from correct
Average Time save difference correct - judgment problems with predicted under estimation (cases 1 and 2)
Average Time save difference correct - judgment problems with predicted over estimation (cases 3 and 4)
Number of unknown strategies (cat rank = 0) across all problem types
mean abs diff
mean of all abs diff
size of bias
mean bias time saving