At what rate do testosterone levels decline during midlife?

What would you recommend to someone who is undertaking a creative task such as painting a picture to help them be more creative?

a) read a book about painting b) practice painting a variety of objects c) try to induce positive feelings in themselves d) promise themselves a reward after they have completed the task

A meta-analysis (Strenze, 2007) of longitudinal studies examining adult intelligence found that IQ was a powerful predictor of ____

a. income and occupational status b. happiness and well-being c. length of marriage if the partners were close in IQ d. cardiovascular fitness