At 6 weeks, Jessica's most recent emotional reaction is likely to be

The social learning concept of incentives is similar to the cognitive self-regulation concept of goals

Indicate whether the statement is true or false

When choosing the levels of the independent variable, it is important

a. to choose equal intervals b. not to have more than two or three c. to have no more than one for any experiment d. to space the stimuli close enough such that overlooking any interesting relationship between the stimuli is unlikely