Statistical Methods for Psychology

We can calculate and and evaluate Fon the appropriate df. The pooled variance- covariance matrix (averaged across the separate m ...

Section 14.7 One Between-Subjects Variable and One Within-Subjects Variable 479 the effects in this analysis are significant. (T ...

not pool other error terms that apply to other simple effects. In other words, it will be based solely on the Control group. We ...

For this example we will examine the simple effects of Group at Interval 1 and Group at Interval 6. The original data can be fou ...

against. In this case, the value of is given by Welch (1938) and Satterthwaite (1946) as where and are the corresponding degrees ...

the Games-Howell procedure using those separate covariance matrices. In other words, to compare Intervals 3 and 4 for the Contro ...

484 Chapter 14 Repeated-Measures Designs Table 14.7 Data and analysis of study by St. Lawrence et al. (1995) (a) Data Male Femal ...

Section 14.8 Two Between-Subjects Variables and One Within-Subjects Variable 485 Table 14.7 (continued) (c) Summary Table Source ...

From the column of Fin the summary table of Table 14.7c, we see that the main effect of Sex is significant, as is the Time 3 Gro ...

By far the easiest way to test these between-subjects effects is to run separate two-way (Condition 3 Sex) analyses at each leve ...

interaction, and speaks to the value of examining simple effects. The fact that an effect we seek is significant does not necess ...

Section 14.9 Two Within-Subjects Variables and One Between-Subjects Variable 489 Table 14.10 Expected mean squares Source df E(M ...

for Phase II of the cycle, where, after 1 minute of baseline bar-pressing, only the tone stimulus was presented. Since the tone ...

Section 14.9 Two Within-Subjects Variables and One Between-Subjects Variable 491 (^6) For those who want to see the calculations ...

492 Chapter 14 Repeated-Measures Designs From the bottom row of that dialogue box you can specify what plots you would like to s ...

the conclusions. The calculation of the appropriate tests was carried out the same way it was earlier, by running a reduced anal ...

Source Type III Sum of Squares df Mean Square F Sig. Cycle Sphericity Assumed 403.615 3 134.538 1.740 .168 Greenhouse- Geisser 4 ...

Source Type III Sum of Squares df Mean Square F Sig. Cycle Sphericity Assumed 3064.875 3 1021.625 17.166 .000 Greenhouse- Geisse ...

exactly where you will find it. (For additional material on the intraclass correlation, go to http://www.uvm.edu/~dhowell/StatPa ...

You can calculate an intraclass correlation coefficient in a number of different ways, depending on whether you treat judges as ...