Social rejection, externalizing behavior, and academic failure often form steps in a(n) ________

Breast feeding __________________________

a. is more common among women from low socioeconomic status groups b. increased in popularity as formulas came on to the market because the formulas were very expensive and women worried about product quality c. is something both mother and baby are biologically prepared to do d. rates have stayed about the same in the United States since the 1940s

If a(n) hypothesis is rejected when it was in fact true, then a _____ error has occurred

a. null; Type I b. alternative; Type I c. null; Type II d. alternative; Type II