Synapse density decreases to adult levels by approximately _____ years of age

Gilles, age 50, tells his brother, "I'd like to maintain my physical health and work on getting emotionally stronger. I want to be a good friend and a role model to my nephews and nieces

I don't want to be that guy who never comes to family get-togethers because he is too busy working. I want to be successful in my career, but not at the expense of my family. Of course, I want to find my own special partner, but if I don't, I know I'll always have you and the kids." Gilles is discussing his A) future model. B) internal map. C) possible selves. D) generalized goals.

The "experimental effect" refers to

a) manipulation of the independent variable. b) random assignment to conditions. c) measurement of the dependent variable. d) differences between conditions on the dependent variable.