In a __________, organisms are particularly susceptible to certain kinds of stimuli in their environments, but the absence of those stimuli does not always produce irreversible consequences

Which of the following would MOST likely cause an infant to express fear?

A. stranger anxiety B. reciprocal interactions C. unfamiliar objects D. not being well-fed

The various methods and procedures used in conducting psychological research and evaluating the research of other psychologists are consistent with which unifying theme in psychology?

a. Psychology is empirical. b. Psychology is theoretically diverse. c. Our behavior is determined by multiple causes. d. Our behavior is shaped by our cultural heritage.