Some studies have found that women who live together eventually have synchronized menstrual cycles. Evidence suggests that this is due to

The number of central dispositions necessary to describe an individual normally ranges between

a) one and four. b) five and ten. c) eleven and fourteen. d) fifteen and twenty.

Basically, the Strange Situation measures how a child

responds to a stranger. plays with a parent. plays with toys he or she has never seen before. responds to separations and reunions with a caregiver.