Sometimes, researchers actually try to reduce _________ validity by obscuring the true purpose of a measure

The singer, Lionel Ritchie, explained in an interview that he could no longer reach the high notes the way he used to when he was younger. The way he handled this was

to encourage the crowd to sing along when he got to the parts of songs that are most challenging. Baltes and Baltes (1990) would refer to this as: a. disequilibrium b.selective optimization with compensation c. tribalization d. disengagement

What is the term for the concept that American society is made up of diverse, coequal cultural groups that should preserve their unique cultural features?

a) Diversity b) Pluralistic society model c) Cultural assimilation model d) Multicultural education