Death rates are low in adolescence, but they are nearly twice as great for female adolescents as male adolescents

A researcher wants to study the link between test difficulty and self esteem by giving some people an easy test and others a hard test and then assessing whether these groups differ in self esteem

This researcher is using which of the following approaches? a. experimental b. correlational c. observational d. case study

The digit-span test is a common measure of

a. attention and short-term memory. b. phonetic-space and sensory memory. c. implicit and explicit memory. d. iconic and echoic memory.