A teacher decides to give her students stickers every time they finish reading a book. After awhile she chooses not to give out any rewards for reading.
She notices that the students are not motivated to read as much as before and don't seem to be enjoying their reading time. This best illustrates what phenomenon?
a. Intrinsic motivation
b. Self-fulfilling prophecy
c. Overjustification effect
d. Affective forecasting
Question 2
Rosemarie wants her son Marc to enjoy playing the violin and be more motivated to practice on his own. Based on research on the overjustication effect, what would be the MOST effective way to intrinsically motivate Marc to practice?
a. Surprise him with 20 dollars after he practices.
b. Promise him a trip to the toy store if he practices every day for a week
c. Promise to pay him 30 dollars every time he practices the violin.
d. Promise to pay him 50 dollars every time he practices the violin.
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
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