Skinner was to rats as Thorndike was to __________

According to Piaget’s theory, from _____ years of age, children are in a transition showing some features of the first stage of moral reasoning and some stages of the second stage, autonomous morality.

A) 7 to 10 B) 4 to 7 C) 10 to 12 D) 1 to 4

Because collecting blood samples to assess cortisol levels can be painful, researchers frequently

collect __________ to evaluate these hormonal concentrations. Fill in the blanks with correct word