The concepts of symbolic function, pretend play, and egocentrism are characteristic of Piaget's _____ stage

Observational learning occurs when an organism's responding is influenced by the observation of others, who are called ____________________

Fill in the blank(s) with correct word

A sample of n = 6 scores has a standard deviation of s = 3 . What is the value of SS, the sum of the squared deviations for this sample?

a. 54 c. 18 b. 45 d. 15

Independent variable is to dependent variable as _____ is to _____

a. measure; manipulate b. manipulate; measure c. control group; experimental group d. experimental group; control group

Which of the following best describes an infant with a slow-to-warm-up temperament?

A. Cries intensely and frequently B. Unlikely to approach new people C. Adapts somewhat readily to new situations D. Moderately intelligent