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PLANNING POLITICAL RESEARCH
Reliability and Validity
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adult assign assume calculate cause cell Chapter chi-square chi-square distribution class and public-/self-regardingness column compute concepts control variable correlation coefficient Democrats dependent digit equal ethnicity example F-distribution factors father's social class fideism formula frequency distribution G-K tau GNP/cap Goodman and Kruskal's hypothesis income independent variable indicators individual interpretation interval intervening intervening variable interview Kendall's tau levels of measurement linear literacy rate logic mean measure of association median metric variables negative pairs nominal nonrandom relationship normal distribution ordinal original relationship partial correlation party identification Pearsonian percent percentage policies political research population possible precise procedure proportion public-regarding questions random ranks Republican respondent sample scale scattergram scientific method score simple correlations simple random sample specific spurious standard deviation statistical subjects surveys Table techniques tion total number units values vari voting turnout Z-score zero