A girl’s first menstruation is called menarche.

A young child might be heard saying, “That tree pushed the leaf off and it fell down.” The child’s belief that the tree is capable of action is referred to as _____.

Mariah has given birth to a baby girl. Even one month after delivery, she is experiencing very strong feelings of sadness and anxiety. She is so morose that she is having trouble coping with daily tasks. Mariah is most likely suffering from:

 The double disadvantage suffered by ethnic minority adolescents consists of poverty and prejudice.

Lindsay’s body does not produce enough insulin, causing an abnormal metabolism of sugar. She is receiving insulin treatment. Lindsay has:

Research has shown that infants born to adolescent mothers are more likely to have

 As defined by Erik Erikson, a crisis:

The _____ is the outer layer of cells of the blastocyst that later provides nutrition and support for the embryo.

Development is BEST defined as a pattern of growth that

A researcher is interested in the effect of exercise on stamina in elderly patients. The patients are randomly assigned to be in a high-exercise or low-exercise training program for eight weeks. At the end of the program, their stamina is measured by seeing how long they can walk comfortably on a treadmill. In this study, the dependent variable is: