P335 Cognitive Psychology, Prof. John K. Kruschke

Homework 3: Template Model of Pattern Perception

Table 2': Mean Ratings of Many Participants
(individual mean computed first for each cell, then mean across 203 individuals is tabulated here)
4.63
SS/df=3.01
N=203
4.88
SS/df=2.43
N=203
3.01
SS/df=1.35
N=203
2.76
SS/df=1.51
N=203
6.91
SS/df=2.27
N=203
3.96
SS/df=1.56
N=203
4.56
SS/df=2.73
N=203
2.95
SS/df=1.31
N=203
2.83
SS/df=1.29
N=203
2.59
SS/df=1.90
N=203 

Tests of Pairs of Equal Predicted Similarity:
(Planned Comparisons)
Stimulus Pairs Predicted Overlap Mean Ratings t-test
(of individual difference scores)
DK
KS
8
8
2.95
2.59
t(202)=3.43, p=.001
AS
DS
12
12
2.76
2.83
t(202)=1.06, n.s.
AB
BS
15
15
4.63
4.56
t(202)=0.51, n.s.

Tests of Selected Non-monotonicities:
(Post-hoc tests)
Stimulus Pairs Predicted Overlap Mean Ratings t-test
(of individual difference scores)
BK
AK
9
10
3.96
3.01
t(202)=11.53, p=.000
AD
BS
14
15
4.88
4.56
t(202)=2.26, p=.025

Copyright © 1999 John K. Kruschke