Children of working mothers usually show serious adjustment problems.

According to research on the human sexual-response pattern, orgasm lasts for about _____.

A) 60 seconds
B) 3 to 15 seconds
C) 20 to 30 seconds
D) 40 to 45 seconds

In a strong situation,there are _____ norms for appropriate behavior,whereas in a weak situation there are _____ norms for appropriate behavior.

A) security;growth
B) growth;security
C) clear;unclear
D) unclear;clear

If a child says that the sun shines to keep him warm,what is the child exhibiting

A)  conservation
B)  animism 
C)  centration
D)  egocentrism

Issac, a nuclear operator, must monitor 50 different gauges that keep track of various aspects of the nuclear reactor. According to ____, Issac's detection of any problems will be influenced by the probability of any problem occurring in conjunction with the payoff associated with detecting the problem.

A) signal-detection theory
B) Frazier Kannard
C) sensory conversion theory
D) the Gestaltists

When you were a child and you first realized that you could use money to buy candy and other treats,what did money become

A)  a secondary reinforcer
B)  an operant reinforcer 
C)  a classical reinforcer
D)  a primary reinforcer