In today's dynamic economy, people need to continue gaining new knowledge and acquiring new skills to meet the needs of employers. Which of the following has the greatest influence on continued learning in adults?

What is the bottom-line message in the text about later-life happiness?

A) Old age is typically the happiest life stage. B) Old age can be the happiest life stage if people are healthy, young-old, and fairly affluent. C) The old-old years are typically happy even when a person is not in good health. D) Old age is the most depressing life stage.

Adolescents often volunteer because it is

A) a way of winning the social approval of others. B) a reflection of their wish to truly help others, even at significant personal expense. C) an expression of their personal values and compassion. D) all of the above.