According to the Yerkes-Dodson law, optimum performance on tasks which are simple and direct occurs at levels of arousal that are

A person who experiences a sudden onset of psychotic symptoms that last a few days and then pass, often never to return, would be diagnosed with __________.

A. temporary schizophreniform disorder B. brief psychotic disorder C. provisional schizophreniform disorder D. schizophrenia praecox

Which of the following is NOT a condition of intergroup contact that reduces prejudice?

a. mutual goals b. interdependence c. a favourable social climate for intergroup contact d. equal status of members of both groups e. lack of stereotype threat