The vestibular sense governs our awareness of __________

Positive psychology focuses on six core attributes. What makes positive psychologists describe these attributes as virtues?

A. Their universality suggests that they are evolutionarily based. B. Each virtue promotes an individual's reproductive success. C. The key virtues identify six ways in which people try to make themselves better. D. a and c.

Selah is aware that playing certain types of computer games can have an impact on mood, and she wonders whether these effects might vary with age. She recruits a group of college-age adults, a group of middle-aged adults, and a group of elderly adults to test her hypothesis. Selah's research is best described as ____

a. longitudinal b. cross-sectional c. repeated measures d. time series