For a set of scores on an exam, the standard deviation is calculated by
A) adding up all scores and dividing this sum by the number of scores
B) taking the square root of the variance of the scores
C) multiplying the mean of the scores with the variance of the scores
D) dividing the variance of the scores by 2
B
Psychology
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An infant begins whimpering and moaning and then begins to cry very loudly and intensely. Which of the following is the infant most likely expressing?
A) Anger B) Hunger C) Fear D) Pain
Psychology
Gradually moving from one hundred percent reinforcement to a smaller percent is called:
a. shaping. b. thinning. c. intermittent training. d. transfer training.
Psychology