The null hypothesis from a two-tailed z-test with a population mean of 100 is _____
a. ? = 100
b. ? ? 100
c. ? = 0
d. ? ? 0
a
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Examining different groups of people at one point in time occurs in studies
a. experimental b. correlational c. longitudinal d. cross-sectional
The idea that humans are biologically predisposed to fear certain stimuli more so than others is known as
a. evolution. b. preparedness. c. stigma. d. hardiness.
________ are individuals who receive a sexual thrill from inflicting pain on others, and ________ are individuals who receive a sexual thrill from receiving physical pain
a. Sadists; masochists b. Masochists; sadists c. Transvestites; paraphiliacs d. Paraphiliacs; transvestites
Freud believed that neuroses (i.e., phobias, anxiety, and panic) were caused by
a. negative thinking. b. classically conditioned fear responses. c. unresolved conflicts in the unconscious from early childhood. d. incongruence between a person's self-concept and reality.