Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [V] [W] [X] [Y] [Z] validity establishing scores and threats to variables categorical cause-and-effect relationships correlation and 2nd 3rd criterion 2nd 3rd dependent 2nd 3rd 4th dichotomous discovering relationships effect sizes factor analysis and 2nd groupings in independent 2nd 3rd 4th linear regression and measuring correlation predicting outcomes of events predictor 2nd 3rd proxy surrogate variance correlation and defined 2nd shared 2nd Vermeil, Dick Vos Savant, Marilyn voting cycle paradox |