Among adolescent boys, _____ meet minimum standards of physical activity

At the football game, Meghan found herself focusing on and noting the behaviors of the people watching the game. Meghan was engaging in __________ observation

a) applied b) naturalistic c) clinical d) direct

A team of psychologists studied the performance of drivers while the drivers used cell phones. Half of the drivers drove in high-traffic areas and half drove in low-traffic areas

Part of the time, each driver was monitored while talking but part of the time, the driver was monitored while not talking. The researchers measured how many signals the person missed. The design in this study a. used one measured variable and one manipulated variable. b. involved a variable with repeated measures. c. was a 2x2x1 design. d. could not lead to causal conclusions.