Most infants learning to speak at about the same age illustrates which viewpoint of development?
A. continuous
B. discontinuous
C. nature
D. nurture
Answer: C
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A psychology professor wanted to describe the adolescents in her state in terms of the personality characteristic of introversion/ extroversion. She selects a sample and measures their scores on a test of introversion/extroversion. The measure of variability she should calculate is
a. the estimated population standard deviation, because she wants to make inferences about the population based on her sample. b. the sample standard deviation, because she has measured a sample, not the entire population. c. the population standard deviation, because the sample she selected is representative of the population. d. the range, because the dependent variable is an ordinal measurement scale.
The words polydrug and polysubstance describe the use of synthetic drugs (as in polymer) rather than naturally occurring substances (like marijuana).
a. true b. false
According to Freudian theory, ____________ behaviors allow us to express our id impulses under the guise of benign behavior
Fill in the blank(s) with the appropriate word(s).
A recent study found that higher levels of four factors assessed at the beginning of the sixth grade was linked to higher grade point averages at the end of the seventh grade for children living in poverty. Which of the following is NOT one of the four factors?
a. academic commitment b. emotional control c. ethnic background d. family involvement e. school climate