Social facilitation theory suggests that tasks like walking, brushing one's teeth, or counting will be ____ by the presence of others. It also suggests that tasks like solving a difficult math problem or crossword puzzle will be ____ by the presence of others

The self-sentiment is an important erg

Indicate whether the statement is true or false.

Charlene is 12, and her elderly aunt has come for a visit. The aunt is using the spare bed in Charlene's room. Several times during the night, the aunt awakens briefly and then falls back to sleep. Charlene doesn't awaken at all during the night. This difference in sleep patterns can best be explained by research that shows a. during adulthood, the proportion of REM sleep gradually increases

b. during adulthood, the proportion of slow-wave sleep increases significantly. c. the elderly are more affected by jet lag and shifts in their circadian rhythm. d. during adulthood, the proportion of slow-wave sleep gradually declines.