While walking through Central Park, Mark sees a man being attacked and mugged. There are many people around the scene, and many of these people are holding phones. Mark is concerned for the man but ultimately does nothing

Mark's actions can be explained by the concept of ________. a) empathic concern
b) the diffusion of responsibility
c) kin selection theory
d) negative-state relief model

b

Psychology

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The personal fable is built upon what concept?

a. Optimistic bias b. Prosocial behavior c. Imaginary audience d. Reductionism

Psychology

Which type of research study is a compromise technique that essentially examines a number of different age groups at several points in time, and permits developmental researchers to tease out the consequences of age change versus age difference?

a) longitudinal b) sequential c) cross-sectional d) experimental

Psychology