Donald Zimmerman recommended using a separate variances t test rather than a pooled t test whenever the sample sizes are not equal.

The German immigrant who made a major contribution to the development of social psychology by helping to establish principles like "behavior is a function of the interaction between the person and the environment" was:

a. Allport. b. Dollard. c. Bandura. d. Lewin.

Although Betty grew up in a rundown neighborhood, had divorced parents, and rarely saw her father, she is a successful, happy, and healthy adult. Betty's ability to adapt effectively in the face of threats to development is known as

A) assimilation. B) resilience. C) age-graded development. D) multidimensional development.