An advantage of between-subjects designs is that they require fewer participants than are typically needed for within-subjects designs

Aaron is working at his job as an editor of a science magazine when a reporter places an article on his desk entitled "Gene for Optimism Found."

To avoid confusing the readers about what the scientists most likely found, what could Aaron change the title to? A) "Pessimists are Missing a Crucial Gene" B) "Scientists Find Gene's Purpose is to Increase Optimism" C) "Scientists Find the Single Gene for Optimism" D) "Gene Found to be a Factor in Optimism

Which statement is compatible with modern psychological science?

A) The scientific method cannot be applied to the study of thinking and emotion. B) Thoughts, feelings, and behaviour arise from electrical and chemical events in the brain. C) Psychologists should confine their analyses to the study of observable behaviour. D) Mental processes are the only subject matter worthy of study in psychology.