Changing the order of treatments from one participant to another in a repeated measures design involves

Which of the following best describes the findings on the relationship between social involvement and life satisfaction among adults aged 20–39?

a. The least socially active adults are typically the happiest. b. Those who lack friendships have more depressive symptoms. c. Adults with moderate levels of social activity are the happiest. d. There is no relationship between social activity and happiness

Dyslexics have particular trouble:

a) reading words in the correct order. b) recognizing words when they hear them. c) mapping the look of a word onto its sound. d) performing normally on standard measures of intelligence.