Which of the following stands the greatest risk of being spontaneously aborted or being born stillborn?

A) A single female
B) A female twin with a white mother
C) A male twin with an African-American mother
D) It is completely the result of chance.

A young child is alone in a room,trying to put together a difficult puzzle.The child says out loud,"Maybe if you look for the pieces with the flat side first,it will be easier to finish the outside part." This pattern of private speech is most consistent with ______________ view of the function of this kind of speech.

A) Piaget's
B) Kohlberg's
C) Vygotsky's
D) Binet's

Inattentional blindness refers to

A) the loss of self-awareness when one is mentally absorbed in a challenging task.
B) a condition in which a person can respond to a visual stimulus without consciously experiencing it.
C) failing to see visible objects when our attention is directed elsewhere.
D) the simultaneous processing of information on separate conscious and unconscious tracks.

What is the sex chromosome configuration for children who have the condition called congenital adrenal hyperplasia (CAH) ?

A) YY
B) XY
C) XX
D) XXY

Imagine that your house is on fire and you are afraid. Which of the following explanations BEST represents evolutionary theories of emotion?

A) "I'm shaking because I'm afraid."
B) "I'm afraid because I'm shaking."
C) "My shaking must be due to fear, since my house is on fire."
D) "My fear is a built-in, primary reaction to a dangerous situation."

A problem-solving strategy in which an individual or a group produces numerous ideas and evaluates them only after all ideas have been collected is called ________.

A) critiquing
B) brainstorming
C) functional analysis
D) convergent thinking

Jolly infants and alert,energetic adults are especially likely to show high levels of brain activity in the

A) amygdala.
B) somatosensory cortex.
C) cerebellum.
D) left frontal lobe.