Seligman expanded his theory of learned helplessness to explain __________

Allport believed the best way to obtain reliable information on adult personality is through:

a. correlational approaches. c. self-descriptions. b. laboratory experiments. d. dream analyses.

When viewed through a microscope, a ____ would most resemble a spiral-shaped mass

a. telomere b. free radical c. neurofibrillary tangle d. neurotransmitter