The lowest intensity of a particular stimulus that enables the average person to detect that stimulus 50 percent of the time it is presented is called the ___________

Older infants and toddlers are more likely to imitate __________ rather than __________

A) adults; children B) arbitrary; purposeful behaviors on objects C) purposeful; accidental behaviors on objects D) a series of actions; a single sensorimotor behavior

A psychologist investigating the research question “How much information can we store in short-term memory?” is most likely conducting ______ research.

a. basic b. applied c. external d. internal