? A psychologist who is asking abstract and hypothetical questions might be trying to determine whether a child is in which stage of cognitive development?

In an experiment by ankle Keys, 36 male volunteers cut their food intake and half for a period of six months. In response to this semi-starvation, the volunteers

A) did not stabilize their way even though they were taking in half their previous calories B) stabilized at 25% of their normal weight, while taking in half their previous calories. C) reduced their energy expenditure, and their body weight stabilized at about 25% below their starting weights. D) increased their energy expenditure in their basal metabolic rate.

Learning theorists try to identify the mechanisms of learning present in animals and to apply them to people

Indicate whether this statement is true or false.