Quantitative Methods in Psychology |
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Contents
Variables Constants and Functional Relationships | 6 |
I Linear Functions | 7 |
The linear regression equation | 21 |
22 other sections not shown
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Common terms and phrases
applied arithmetic series average AY/AX beta-coefficients binomial binomial distribution chi-square test coefficient column means columns variance computed Consequently constant correlation ratio corresponding curve in Fig degrees of freedom dependent variable deviations differentiation dy/dx empirical data employed equal to zero equation errors estimate evaluating example experimental exponential curve expression F-ratio F-test follows formula given in Table Gompertz curve groups hypothesis inflection point integral least squares linear function log F logarithms loge mantissa mathematical measures method of least normal curve normal distribution number of df obtained phi-gamma plot Poisson distribution positive procedure proportions Psychol quation rate of change reduction line regression line relationship represent result rule sample scores shown slope solution solve straight line subtracting successive differences sum of squares summation symbol theoretical frequencies total number trials value of x2 velocity write Y-intercept Y-values yields