Why might parents have difficulties during the expanding stage? select one: a. infants require a lot of care, leaving little time for the couple to be alone. b. it is often hard for parents to adjust when their children leave home. c. teens require a lot of attention as they learn to be independent. d. as couples grow older, they often have many health difficulties?

I believe the correct answer is A: Infants require a lot of care, leaving little time for the couple to be alone.

This particular moment in a family is called the Stage of procreation: it begins with expectant fatherhood, when the focus is on the next birth. The focus of the couple moves to the baby when it is born. The couple must balance conjugal life, raising children and wage-earning roles. It is necessary to administer the time in the corresponding proportion for all the activities, sometimes the bad administration produces internal problems in the relationship of the couple.

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.