Terri is intrigued about a possible relation between whether one is left-handed or right-handed and one's gender. Which correlation coefficient should Terri calculate to examine this possible relation?
a. phi coefficient
b. point-biserial correlation
c. Spearman rho
d. product-moment correlation coefficient
a
Psychology
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Which statement regarding Alzheimer's disease is NOT true?
a. there is no cure for Alzheimer's disease b. scientists are testing a vaccine that could prevent Alzheimer's disease c. Alzheimer's is not a major cause of cause in the United States d. Alzheimer's symptoms include confusion with time and place and changes in mood and personality
Psychology
Co-residence of older adults and adult children in Southern European countries such as Greece, Italy, Spain is about ___
a. 5% b. 25% c. 45% d. 85%
Psychology