To increase the probability of your research findings resulting from the independent variable and not from chance, the between-groups variability should ______ and the error variability should

The illusion of invulnerability is best defined by the phrase, a. "dangerous but fun."

b. "slow and steady wins the race.". c. "once bitten, twice shy.". d. "nothing is worse the risk of dying.".

Which is best characterized as a "wear-and-tear" disease?

a. Osteoporosis b. Osteoarthritis c. Rheumatoid arthritis d. Menopause