The best time to learn a second language is in early childhood.

A person displaying sadness, lack of energy, headaches, and feelings of low self-worth is showing all of the following symptoms EXCEPT:

A) emotional symptoms.
B) motivational symptoms.
C) behavioral symptoms.
D) cognitive symptoms.

What is the most important criterion for adulthood in North America?

A) being financially independent
B) accepting responsibility for consequences of actions
C) capacity to care for young children
D) having good control over emotions

Students are more likely to choose a condom that is said to be effective when informed that it has a 95 percent success rate than when told it has a 5 percent failure rate. This best illustrates the impact of

A) framing.
B) confirmation bias.
C) belief perseverance.
D) the representativeness heuristic.

Which is the first of Piaget's stages of cognitive development-the one characteristic of infants?

A) the preoperational stage
B) the sensorimotor stage
C) the formal-operations stage
D) the concrete-operations stage

A baby stops sucking to listen to a tone.Later,after the tone has been repeated frequently,the infant ignores it.This is an example of

A) operant conditioning.
B) classical conditioning.
C) habituation.
D) dishabituation.

Juan's wife brought him to the emergency room because Juan could not remember his name,the names of his family members,where he worked,or any other personal information.Extensive tests at the hospital indicated that Juan's memory problems were not due to an injury,an illness,drugs,or any other physical or medical condition.A clinical psychologist suggested that Juan might be suffering from

A) a fugue state.
B) schizophrenia.
C) antisocial personality disorder.
D) dissociative identity disorder.