Who sat in Jefferson Davis chair in the Richmond capital building in reflecting on the events of the war

It is widely assumed that people need to engage in intellectual activities such as solving crossword puzzles or mathematics problems in order to maintain mental sharpness as they age. in fact, however, simply talking to other people—that is, participating in social interaction, which engages many mental and perceptual skills—suffices. evidence to this effect comes from a study showing that the more social contact people report, the better their mental skills. which of the following, if true, most seriously weakens the force of the evidence cited? (a) as people grow older, they are often advised to keep exercising their physical and mental capacities in order to maintain or improve them. (b) many medical conditions and treatments that adversely affect a person's mental sharpness also tend to increase that person's social isolation. (c) many people are proficient both in social interactions and in solving mathematical problems. (d) the study did not itself collect data but analyzed data bearing on the issue from prior studies. (e) the tasks evaluating mental sharpness for which data were compiled by the study were more akin to mathematics problems than to conversation.

Which of the following statements concerning gender differences correctly describes an effect on workplace​ communication? a. women emphasize content and outcomes in their communication​ efforts, whereas men place a higher premium on relationship maintenanc b. outdated concepts of gender and sexual orientation are no longer a source of​ confusion, controversy, and discrimination. c. the share of management roles held by men compared with those held by women remains equal the further up the corporate ladder one goes. d. the perception of gender roles in business varies from culture to​ culture, and gender bias can range from overt discrimination to subtle and even unconscious beliefs. e. evidence suggests that men and women tend to have the same communication styles.

Paula maintained her normal weight during her freshman year in college. during her sophomore year, she moved into an apartment with two friends who are overweight. the three regularly enjoy high-calorie meals together, and paula has gained more than twenty pounds. she wants to lose weight, but it seems as if, whenever she plans to prepare a healthful, low-calorie meal, her roommates come home with a box of pizza or take-out burgers and fries. what type of influence are her friends having on her behavior? social undermining moral support emotional encouragement informal persuasion social undermining