Gene expression is affected by

a. only genetic factors.
b. only environmental factors.
c. both genetic and environmental factors.
d. neither genetic nor environmental factors.

c

Psychology

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When a study has high ecological validity,

a. people tend to receive similar scores on two different versions of a relevant test. b. people typically make more errors than if the test is low in ecological validity. c. at least two researchers recorded the answers supplied by the participants. d. the setting for the study is similar to a setting found in the real world.

Psychology

Which of the following theorists believes that "making faces" can actually produce emotions?

a. James and Lange b. Cannon and Bard c. Paul Ekman d. Richard Lazarus

Psychology