In a mob, one dominant and persuasive individual can often convince people to act through the ______ effect

Which of the following is true of altruism and volunteering in adults?

Younger adults' strategies are more likely to be aimed at contributing to the public good, while older adults' strategies are more likely to focus on optimizing personal financial gain. Younger adults are more likely than any other group to volunteer more than 100 hours annually. A common perception is that older adults need to be given help rather than give help themselves. Older adults who engage in organizational volunteering have a higher mortality risk than those who do not.

_____ dictate how emotions should generally be expressed within a culture and when and where their expression is appropriate

a) Display rules b) The need for achievement c) Societal affective factors d) Basic emotions