Dimiy-Lit ROOM Well-Lit Room 9. 7. 11 13 10 10 24. Research has shown that people are more likely to show dishonest and self-interested behaviors in dark- ness than in a well-lit environment (Zhong, Bohns, & Gino, 2010). In one experiment, participants were given a set of 20 puzzles and were paid $0.50 for cach one solved in a 5-minute period. However, the participants reported their own performance and there was no obvious method for checking their hon- esty. Thus, the task provided a clear opportunity to cheat and receive undeserved money. One group of articipants was tested in a room with dimmed light- g and a second group was tested in a well-lit room. e reported number of solved puzzles was recorded cach indivridual Th 11 8. 9. 15 12 14 10 a. Is there a significant difference in reported perf mance between the two conditions? Use a t tailed test with a = .01. b. Compute Cohen's d to estimate the size of the treatment effect. foll

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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a. Is there a significant difference in reported perfor-
Dimly-Lit Room
Well-Lit Room
6.
7.
11
8.
13
10
10
6.
24. Research has shown that people are more likely to
show dishonest and self-interested behaviors in dark-
ness than in a well-lit environment (Zhong, Bohns,
& Gino, 2010). In one experiment, participants were
given a set of 20 puzzles and were paid $0.50 for
each one solved in a 5-minute period. However, the
participants reported their own performance and
there was no obvious method for checking their hon-
esty. Thus, the task provided a clear opportunity to
cheat and receive undeserved money. One group of
participants was tested in a room with dimmed light-
ing and a second group was tested in a well-lit room.
The reported number of solved puzzles was recorded
or each individual. The following data represent
esults similar to those obtained in the study.
11
8
15
12
14
10
mance between the two conditions? Use a two
tailed test with a = .01.
b. Compute Cohen's d to estimate the size of the
%3D
treatment effect.
Transcribed Image Text:a. Is there a significant difference in reported perfor- Dimly-Lit Room Well-Lit Room 6. 7. 11 8. 13 10 10 6. 24. Research has shown that people are more likely to show dishonest and self-interested behaviors in dark- ness than in a well-lit environment (Zhong, Bohns, & Gino, 2010). In one experiment, participants were given a set of 20 puzzles and were paid $0.50 for each one solved in a 5-minute period. However, the participants reported their own performance and there was no obvious method for checking their hon- esty. Thus, the task provided a clear opportunity to cheat and receive undeserved money. One group of participants was tested in a room with dimmed light- ing and a second group was tested in a well-lit room. The reported number of solved puzzles was recorded or each individual. The following data represent esults similar to those obtained in the study. 11 8 15 12 14 10 mance between the two conditions? Use a two tailed test with a = .01. b. Compute Cohen's d to estimate the size of the %3D treatment effect.
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