Quantitative Methods in Psychology |
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Page 53
... shown in the table , in the column T ' . A plot of ( S , log [ T + 3.1 ] ) approaches a straight line , as is shown by the small crosses in Fig . 16. This result warrants a solution for the required constants . For a least - squares ...
... shown in the table , in the column T ' . A plot of ( S , log [ T + 3.1 ] ) approaches a straight line , as is shown by the small crosses in Fig . 16. This result warrants a solution for the required constants . For a least - squares ...
Page 68
... shown by the small crosses in Fig . 18 - C . A ' best - fitting ' curve was drawn through the crosses by inspec- tion . The values of X1 , X2 , and X3 which were chosen were 2 , 12 , and 7 , respectively . The corresponding values of ...
... shown by the small crosses in Fig . 18 - C . A ' best - fitting ' curve was drawn through the crosses by inspec- tion . The values of X1 , X2 , and X3 which were chosen were 2 , 12 , and 7 , respectively . The corresponding values of ...
Page 267
... shown in the table . Each squared difference must be weighted by the correspond- ing value of nɣ • The weighted squared differences are shown in the last column of the table . The sum of this column ( 20.1958 ) is the sum of the squares ...
... shown in the table . Each squared difference must be weighted by the correspond- ing value of nɣ • The weighted squared differences are shown in the last column of the table . The sum of this column ( 20.1958 ) is the sum of the squares ...
Contents
Variables Constants and Functional Relationships | 6 |
I Linear Functions | 7 |
The linear regression equation | 21 |
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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