The point at which a stimulus is perceived as painful is termed the pain ____

To soothe a crying baby, most Western parents usually try

A) swaddling the baby. B) infant massage. C) lifting the baby to the shoulder. D) taking the baby for a walk in a carriage.

A researcher can create a systematic sample by

a. getting participants from every introductory psychology class on campus. b. randomly selecting participants from the population. c. by identifying important characteristics of the population and selecting participants with those characteristics. d. making a list of the entire population and selecting every fifth name on the list.