The cognitive perspective of psychology emphasizes mental processes in certain areas of behavior including language and problem solving

The absolute critical value for a two-tailed .05 t-test is generally lower than for a similar z-test.

a. true b. false

Harlow's studies of rhesus monkeys suggested that attachment between mothers and infants is due to

A) mothers' tendency to feed infants. B) the reinforcing nature of physical contact. C) negative reinforcement offered by mothers. D) mothers' biological relatedness to infants. E) fathers' tendency to reinforce responsiveness less than mothers.