"A researcher wants to measure content-sampling error and has two versions of an achievement test available. What measure of estimating reliability would be best in this situation?"

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

Which of the following is true of cultural syndromes of distress? a. it refers to attributing pathological symptoms to normative cultural differences. b. refers to misinterpreting culturally sanctioned behavior as expressions of pathological symptoms. c. it refers to the ways that communities and cultural groups communicate and express their distressing thoughts, behaviors, and emotions. d. it refers to patterns of symptoms that tend to cluster together for individuals in specific cultural groups, communities, or contexts.

What important race leader of the early twentieth century is being described?