As part of a high school science experiment, Simon measures the height and birth month (numbered from 1 to 12) of 50 of his classmates. However, after computing the correlation coefficient, he finds that the two measures are not correlated
The value he computed is closest to
A) 0.9.
B) 0.2.
C) 0.
D) -0.5.
C) 0. A correlation coefficient of 0 means that two variables are not correlated.
Psychology
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At Skinner Elementary School, teachers pass out "skinner bucks" to students who turn in papers on time, obey the teacher, and finish their homework. The paper "bucks" can be traded in at the end of the week for special treats or game-playing time on the classroom computer. This system most resembles a
a. participant modeling technique. b. contingency contract. c. group extinction procedure. d. token economy. e. Thorndike technique.
Psychology
Freud is to ________ as Jung is to the shadow archetype
a. ego b. animus c. id d. denial e. Thanatos
Psychology