Mod 5 - Graphing homework
2
2
Module 3 – Two-way ANOVA
Martha Ramsey
Saint Leo University
Research Methods II: PSY 535
Instructor Keith Burton
July 24, 2022
Your temporary usage period for IBM SPSS Statistics will expire in 4913 days.
SAVE OUTFILE='C:\Users\HP 840 G3\Downloads\Homework Module 3.sav'
/COMPRESSED.
UNIANOVA Memory BY Interference Importance
/METHOD=SSTYPE(3)
/INTERCEPT=INCLUDE
/EMMEANS=TABLES(OVERALL)
/EMMEANS=TABLES(Interference) COMPARE ADJ(LSD)
/EMMEANS=TABLES(Importance) COMPARE ADJ(LSD)
/EMMEANS=TABLES(Interference*Importance)
/PRINT ETASQ DESCRIPTIVE HOMOGENEITY
/CRITERIA=ALPHA(.05)
/DESIGN=Interference Importance Interference*Importance.
Univariate Analysis of Variance
Notes
Output Created
19-JUL-2022 18:54:00
Comments
Input
Data
C:\Users\HP 840 G3\Downloads\Homework Module 3.sav
Active Dataset
DataSet0
Filter
<none>
Weight
<none>
Split File
<none>
N of Rows in Working Data File
21
Missing Value Handling
Definition of Missing
User-defined missing values are treated as missing.
Cases Used
Statistics are based on all cases with valid data for all variables in the model.
Syntax
UNIANOVA Memory BY Interference Importance
/METHOD=SSTYPE(3)
/INTERCEPT=INCLUDE
/EMMEANS=TABLES(OVERALL)
/EMMEANS=TABLES(Interference) COMPARE ADJ(LSD)
/EMMEANS=TABLES(Importance) COMPARE ADJ(LSD)
/EMMEANS=TABLES(Interference*Importance)
/PRINT ETASQ DESCRIPTIVE HOMOGENEITY
/CRITERIA=ALPHA(.05)
/DESIGN=Interference Importance Interference*Importance.
Resources
Processor Time
00:00:00.02
Elapsed Time
00:00:00.04
[DataSet0] C:\Users\HP 840 G3\Downloads\Homework Module 3.sav
Between-Subjects Factors
Value Label
N
Interference
1.00
interference
10
2.00
no interference
10
Importance
1.00
not important
10
2.00
highly important
10
Descriptive Statistics
Dependent Variable: Memory
Interference
Importance
Mean
Std. Deviation
N
interference
not important
44.8000
12.75539
5
highly important
73.8000
6.76018
5
Total
59.3000
18.06193
10
no interference
not important
65.8000
5.35724
5
highly important
95.0000
2.23607
5
Total
80.4000
15.86891
10
Total
not important
55.3000
14.40717
10
highly important
84.4000
12.13992
10
Total
69.8500
19.77312
20
Levene's Test of Equality of Error Variances a,b
Levene Statistic
df1
df2
Sig.
Memory
Based on Mean
11.196
3
16
.000
Based on Median
1.790
3
16
.190
Based on Median and with adjusted df
1.790
3
7.790
.229
Based on trimmed mean
10.552
3
16
.000
Tests the null hypothesis that the error variance of the dependent variable is equal across groups.a,b
a. Dependent variable: Memory
b. Design: Intercept + Interference + Importance + Interference * Importance
Tests of Between-Subjects Effects
Dependent Variable: Memory
Source
Type III Sum of Squares
df
Mean Square
F
Sig.
Corrected Model
6460.150a
3
2153.383
35.578
.000
Intercept
97580.450
1
97580.450
1612.234
.000
Interference
2226.050
1
2226.050
36.779
.000
Importance
4234.050
1
4234.050
69.955
.000
Interference * Importance
.050
1
.050
.001
.977
Error
968.400
16
60.525
Total
105009.000
20
Corrected Total
7428.550
19
Tests of Between-Subjects Effects
Dependent Variable: Memory
Source
Partial Eta Squared
Corrected Model
.870
Intercept
.990
Interference
.697
Importance
.814
Interference * Importance
.000
Error
Total
Corrected Total
a. R Squared = .870 (Adjusted R Squared = .845)
Estimated Marginal Means
1. Grand Mean
Dependent Variable: Memory
Mean
Std. Error
95% Confidence Interval
Lower Bound
Upper Bound
69.850
1.740
66.162
73.538
2. Interference
Estimates
Dependent Variable: Memory
Interference
Mean
Std. Error
95% Confidence Interval
Lower Bound
Upper Bound
interference
59.300
2.460
54.085
64.515
no interference
80.400
2.460
75.185
85.615
Pairwise Comparisons
Dependent Variable: Memory
(I) Interference
(J) Interference
Mean Difference (I-J)
Std. Error
Sig.b
95% Confidence Interval for Differenceb
Lower Bound
interference
no interference
-21.100*
3.479
.000
-28.476
no interference
interference
21.100*
3.479
.000
13.724
Pairwise Comparisons
Dependent Variable: Memory
(I) Interference
(J) Interference
95% Confidence Interval for Difference
Upper Bound
interference
no interference
-13.724
no interference
interference
28.476
Based on estimated marginal means
*. The mean difference is significant at the .05 level.
b. Adjustment for multiple comparisons: Least Significant Difference (equivalent to no adjustments).
Univariate Tests
Dependent Variable: Memory
Sum of Squares
df
Mean Square
F
Sig.
Partial Eta Squared
Contrast
2226.050
1
2226.050
36.779
.000
.697
Error
968.400
16
60.525
The F tests the effect of Interference. This test is based on the linearly independent pairwise comparisons among the estimated marginal means.
3. Importance
Estimates
Dependent Variable: Memory
Importance
Mean
Std. Error
95% Confidence Interval
Lower Bound
Upper Bound
not important
55.300
2.460
50.085
60.515
highly important
84.400
2.460
79.185
89.615
Pairwise Comparisons
Dependent Variable: Memory
(I) Importance
(J) Importance
Mean Difference (I-J)
Std. Error
Sig.b
95% Confidence Interval for Differenceb
Lower Bound
not important
highly important
-29.100*
3.479
.000
-36.476
highly important
not important
29.100*
3.479
.000
21.724
Pairwise Comparisons
Dependent Variable: Memory
(I) Importance
(J) Importance
95% Confidence Interval for Difference
Upper Bound
not important
highly important
-21.724
highly important
not important
36.476
Based on estimated marginal means
*. The mean difference is significant at the .05 level.
b. Adjustment for multiple comparisons: Least Significant Difference (equivalent to no adjustments).
Univariate Tests
Dependent Variable: Memory
Sum of Squares
df
Mean Square
F
Sig.
Partial Eta Squared
Contrast
4234.050
1
4234.050
69.955
.000
.814
Error
968.400
16
60.525
The F tests the effect of Importance. This test is based on the linearly independent pairwise comparisons among the estimated marginal means.
4. Interference * Importance
Dependent Variable: Memory
Interference
Importance
Mean
Std. Error
95% Confidence Interval
Lower Bound
Upper Bound
interference
not important
44.800
3.479
37.424
52.176
highly important
73.800
3.479
66.424
81.176
no interference
not important
65.800
3.479
58.424
73.176
highly important
95.000
3.479
87.624
102.376