Statistical Methods for Psychology

(b) Research hypothesis: Sex education in junior high school decreases the rate of pregnancies among students in high school. Nu ...

5.21 Probabilities of correct choices on trial 1 of a 5choice task p(0) 5 .1074 p(6) 5 .0055 p(1) 5 .2684 p(7) 5 .0008 p(2) 5 .3 ...

(c) The analysis does not take into account all of those people who did not change. It only reflects direction of change if a pe ...

from the same subject. Some subjects showed generally more beta-endorphins at both times than others, and we wanted to eliminate ...

parameters. In other words, equals the tthat you would get if the data exactly match what you think are the values of the parame ...

(b) For a one inch gain in height, we would expect a 4.356 pound gain in weight. Someone who is 0 inches tall would be expected ...

(d) The twith pooled variances is equivalent to the F in (a). 11.7 11.9 Eta-squared tells us that ap- proximately 18% of the var ...

Chapter 12 12.1 (a) Source df SS MS F Treatments 4 816.00 204.00 36.43 1,2 vs. 3,4,5 1 682.67 682.67 121.90 1 vs. 2 1 90.00 90.0 ...

Using 1, 2,... , 6 deliberately ignores this relationship. Apparently the human body responds in a nonlinear way to the increase ...

13.23 Three-way on early experience: Source df SS MS F Experience 3 2931.667 977.222 3.544 Intensity 2 2326.250 1163.125 4.218 C ...

13.31 Dress codes and performance: Source df SS MS F Code 1 494.290 494.290 2.166 Error 1 12 2737.280 228.107 School(Code) 12 27 ...

14.9 Simple effects for data in Exercise 14.6: 14.11 (a) SSreading at child 5 50.7; F 5 11.655* (b) SSitems at adult good 5 4.13 ...

750 Answers Results for Exercise 14.25b Tests of Within-Subjects Effects Measure: MEASURE_1 Sphericity Assumed Type III Sum Sour ...

Chapter 15 15.1 Predicting Quality of Life: (a) All other variables held constant, a difference of 1 1 degree in Temperature is ...

15.29 Case # 104 has the largest value of Cook’s D(.137) but not a very large Studentized residual (t 5 –1.88). When we delete t ...

Answers 753 Results for Exercise 16.19 Tests of Between-Subjects Effects Dependent Variable: DV Type III Sum Source of Squares d ...

754 Answers Results for Exercise 16.23 Tests of Between-Subjects Effects Dependent Variable: DV Type III Sum Source of Squares d ...

Answers 755 Chi- Number Stepa Effects Squarec df Sig. of Iterations 0 Generating Classb Deleted Effect 1 1 Generating Classb Del ...

18.21 The study in Exercise 18.18 has an advantage over the one in Exercise 18.17 in that it eliminates the influence of individ ...

757 Index 2 3 2 tables, 147 2 3 5 factorial, 415 abscissa, 69 accuracy of prediction errors of prediction as a function of r, 26 ...