A stationary point of light when viewed in an otherwise totally dark room appears to move. This is an example of ________?

The surroundings of the individual are called his:

Down’s syndrome is caused by ________?

In social-learning therapy Bandura proposed________as a treatment.

The Hawthorne studies were used to examine the effects of:

Kohlberg indicates that at the most primitive level of moral development, morality is decided by ________?