In middle age, Shelley finds that she worries much less about what others expect of her and uses her own values to guide her decisions. Shelley has developed a strong sense of

At every age, working quickly slows down accuracy

Indicate whether this statement is true or false.

The famous study of Phineas Gage, who survived when a metal rod pierced his skull, is an example of a

a. laboratory experiment. b. correlation. c. case study. d. survey.