Is financial motivation enough for good study habits – or do we need deadlines,

Question

Is financial motivation enough for good study habits – or do we need deadlines, as well? Researchers investigated this question in a recent experiment. A group of 60 college students were all hired to proof read the same three articles over a three-week period. They were paid $1 for every error they found and penalized $1 for every day if they missed a deadline. As there were 10 errors in each article, the students could earn up to $30. The students were not charged a fine if they had more of a penalty than they earned. They were randomly assigned to one of three groups. The first group was given weekly deadlines – one article was due each week for three weeks. The second group was asked to submit all three articles at the end of the three weeks. The third group was asked to set its own deadlines within the three week period.

The students with weekly deadlines earned significantly more money than either of the other groups. The group with just one deadline at the end earned the least.

a) What is the Predictor / Independent Variable? (1 point)
b) Is the Predictor / Independent continuous or categorical? (1 point)
c) How many levels does the Predictor / Independent Variable have? (1 point)
d) What are the levels or values of the Predictor / Independent? (1 point)
e) Is the Predictor / Independent manipulated or measured? (1 point)
f) What is the Outcome / Dependent Variable? (1 point)
g) is the Outcome / Dependent continuous or categorical variable? (1 point)
h) What are the levels or values of the Outcome / Dependent? (1 point)

Explanation / Answer

Answer:

Is financial motivation enough for good study habits – or do we need deadlines, as well? Researchers investigated this question in a recent experiment. A group of 60 college students were all hired to proof read the same three articles over a three-week period. They were paid $1 for every error they found and penalized $1 for every day if they missed a deadline. As there were 10 errors in each article, the students could earn up to $30. The students were not charged a fine if they had more of a penalty than they earned. They were randomly assigned to one of three groups. The first group was given weekly deadlines – one article was due each week for three weeks. The second group was asked to submit all three articles at the end of the three weeks. The third group was asked to set its own deadlines within the three week period.

The students with weekly deadlines earned significantly more money than either of the other groups. The group with just one deadline at the end earned the least.

weekly deadline

categorical

Three

d) What are the levels or values of the Predictor / Independent? (1 point)

due each week, at the end of the three weeks, own deadline.

Independent variable is manipulated

Earning

g) is the Outcome / Dependent continuous or categorical variable? (1 point)

Dependent variable is continuous

h) What are the levels or values of the Outcome / Dependent? (1 point)

Ratio level.

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