5. Consciousness and Sleep

How many drinks would the average person have to consume to reach a blood alcohol level of approximately 0.15 percent?

_____ cause the brain to alter its interpretation of sensations.

Ecstasy is classified as a

Smoking marijuana

Astor wanted to try marijuana to experience the effects of which of the following class of drugs?

Even in mild doses, marijuana negatively affects

_____ causes dehydration and a rise in body temperature.

Adolescents who regularly use marijuana

Why can taking LSD in order to experience its hallucinogenic qualities become a dangerous activity?

A psychologist observes a group of 6-year-olds and a group of 10-year-olds during recess at school in order to assess changes in playgroup preferences between these two ages. This researcher's study uses a _____ design.

Dr. Ramirez conducted a study that compared a group of 20-year-olds and a group of 40-year-olds. Each group was revisited five years later, and again five years after that. This is a _____ design.

A research design in a group of similar participants is followed and studied over a long period of time is called a _____ design.

Dr. Sardonicus is studying the effects of aging on memory. She gives an initial test of memory to a group of 20-year-olds and a group of 40-year-olds. Then she follows both groups of participants for a period of five years, regularly giving them memory tests during that time. Which research design is Dr. Sardonicus using?

One disadvantage of a longitudinal research design is

In Erik Erikson's psychosocial stages of development, the trust-versus-mistrust developmental crisis occurs among