Because psychology involves trying to understand complex and abstract concepts, researchers need to develop ________ in order to make useful measurements of those concepts

Fiona is 12 months old. Although she is not yet producing words, she appears to understand some of the sentences that her parents say to her. Fiona is displaying ability in which of the following?

a. productive language b. receptive language c. holophrastic speech d. overextension

. Randy and Morty both suffer from alcohol use disorder. Each has a twin: Randy has a fraternal twin, Ricky, and Morty has an identical twin, Marty. As compared to Ricky’s risk for alcohol use disorder, Marty’s risk is ______.

A. the same B. 1.5 times higher C. 2 times higher D. 3 times higher