Because __________ and __________ require that the participant lie as motionless as possible for an extended time, they are not suitable for infants and young children

How do case-control and cohort designs differ?

a) In case-control, the groups are studied prospectively, but in cohort designs, the groups are studied retrospectively. b) In case-control, only one group is studied, but in cohort designs, more than one group is studied. c) In case-control, the groups are selected on the basis of an outcome that has already occurred, but in cohort designs, the groups are selected before the outcome has occurred. d) In case-control, the groups are selected before the outcome has occurred, but in cohort designs, the groups are selected on the basis of an outcome that has already occurred.

When a person is faced with an approach-avoidance conflict, as described by Dollard and Miller, the inability to satisfy these conflicts leads to

A) a lifetime of pain and rejection. B) unawareness in one's surroundings. C) an epiphany. D) neurotic behavior. E) mental illness.