The psychologist ____________________ investigated the time course of forgetting in the late 1880s and found that memory rapidly decays, but some information is retained permanently

Jeremy was reared in several foster homes and never knew his parents. When he started working with Kent, he became close to Kent's family to the point where they fondly referred to him as "our new-found son." Jeremy is the family's

surrogate sibling. foster son. kindred brother. fictive kin.

The results of Dr. Cliff's research study do not generalize to real-world situations. This means Dr. Cliff's research is not:

a. statistically significant b. externally valid c. positively correlated d. internally valid