Recent research examining the ability of people from a variety of cultures to identify emotions by observing facial expressions of others found that there appear to be universally recognized facial expressions for each of the following emotions except ___

If the relationship between a scale's measured units and some outcome can be described by a straight line or linear equation, the scale is said to have a. predictive validity. b. magnitude

c. linear significance. d. equal intervals.

Substance abuse is most likely when ________ factors are involved

a. genetic b. environmental c. developmental d. genetic, environmental, and developmental