Lauren, a 14-year-old, was fond of writing short stories and wrote at least three stories every week. When her parents found out about this, they promised to give her some incentive if she wrote more than three stories per week. Initially, Lauren felt motivated and exceeded the count. However, after a few weeks, she lost interest and began to consider writing a chore. Which of the following psychological effects is illustrated in this scenario?
A. the spacing effect
B. the overjustification effect
C. the facial feedback effect
D. the halo effect

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

answer: musical connotation

leonard b. meyer (1918-2007) was an american composer, author and philosopher. his work emotion and meaning in music is perhaps the first major treatise on music. it is a philosophical and psychological work, greatly influenced by koffka (one of the major proponents of gestalt psychology). his work deals with the problem of musical meaning and musical communication.

answer; the above statement is (true);