Changes in people over time, not the effect of the independent variable, may cause them to respond differently at various points in an experiment. The threat to internal validity in this case would involve
a. selection.
b. maturation.
c. statistical regression.
d. history.
B
Psychology
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The basic assumption of the lexical hypothesis is that . . .
a. “Personality” exists only in words, not in the real world b. The more words that a person can define correctly, the smarter that person is c. Both of the above d. Neither of the above
Psychology
Jean Piaget was a major pioneer in cognitive theory
: Indicate whether this statement is true or false.
Psychology
The term gonads refers to the sex glands, that is, the ______ in the male and the _____ in the female
Fill in the blank with correct word
Psychology
A large group of people whom you want to know about is called a __________.
A. control group B. treatment group C. population D. sample
Psychology