A researcher follows the same group of children from ages 2 to 18 to measure how intelligence changes over time. This study uses a __________ design.

Which of the following is NOT an example of self-efficacy?

a. Trying new alternatives when one approach doesn't work. b. Finding excuses if something doesn't work. c. Believing you can affect what happens to you. d. Facing life's difficulties with energy.

The common type of breathing-related sleep disorder is ______

a. narcolepsy c. primary hypersomnia b. obstructive sleep apnea d. sleep paralysis