When concepts are defined in terms of the way in which they will be measured, those concepts are said to be:
a. hypothetical variables
b. externally valid
c. internally valid
d. operationally defined
D
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A person undergoing hypnosis can do all of the following EXCEPT
a. be alert. b. be tense. c. be involved in an activity in addition to hypnosis. d. have his or her eyes open. e. decrease her or his hypnotic susceptibility.
Bethany wants to play baseball like her older brothers. Bethany watches them play for hours and is gradually learning how to play by studying what they do. This could be called __________
a) the modeling effect. b) the disinhibitory effect. c) the learning effect. d) classical conditioning.
People who are red-green color-blind ______.
A. have poor visual acuity B. can have "green" cones filled with "red" photopigment, or vice versa C. have night blindness D. have poor dark adaptation abilities
Entrapment is a gradual process in which individuals escalate their commitment to a course of action to justify their investment of time, money, or effort
Indicate whether this statement is true or false.