Sex organs and traits that develop at puberty and are not directly involved in reproduction are known as __________ sexual characteristics

The smallest unit in the nervous system is the _________

a. dendrite b. neuron c. axon d. myelin sheath

The distinction between _____, on the one hand, and _____, on the other, is of central importance to social learning theorists

a. generalization; discrimination b. reinforcement; punishment c. positive reinforcement; negative reinforcement d. learning; performance