The smallest difference between two stimuli that can be detected is known as the ______.
A. difference threshold
B. absolute threshold
C. just observable difference
D. remarkable difference
Answer: A
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The McCarthy Scales for Children's Abilities
a. produces only a single score. b. produces a score known as the general cognitive index. c. measures abilities in children between 4.5 and 10.5 years of age. d. are not psychometrically sound.
Participants who go through an experiment but who do not receive any treatment or manipulation are called the __________ group
a. self-selected c. control b. random d. experimental
A negative correlation means that ________
a. the high values of one variable are associated with the low values of the other. b. the high values of one variable are associated with the high values of the other. c. the low values of one variable are associated with the low values of the other. d. there is no relationship between the two variables.
Which of the following IS a situational phobia?
a) an intense fear of being in a situation from which escape is not possible b) fear of a storm c) fear of snakes d) fear of elevators