"Table Analyzed" "Two-way ANOVA" Ordinary ■ Alpha" 0.05 2way ANOVA of Pre & Post Freezing Behavior.txt "Pre & Post Freezing Behavior" "Source of Variation" Interaction" + Row Factor" Column Factor" "% of total variation" "P value" 11.67 0.0114 * 12.95 0.0079 1.694 0.3200 ns "P value summary" Significant? Yes ** Yes No "ANOVA table" SS DF MS ■ Interaction" 9429 1 ■ Row Factor" 10465 1 Column Factor" 1369 1 "F (DFn, DFd)" "P value" 9429 "F (1, 44) = 6.968" 10465 1369 "F (1, 44) = 7.734" "F (1, 44) = 1.012" P=0.0114 P=0.0079 P=0.3200 1353 Residual" 59540 44 "Difference between column means" ■ + + Mean of Control " 59.61 Mean of Lesioned" 48.93 Difference between means" SE of difference" 10.62 95% CI of difference" "Difference between row means" ■ ■ 10.68 "-10.72 to 32.08" Mean of Pre-conditioning surgery" 39.51 Mean of Post-conditioning" 69.04 Difference between means" -29.53 + SE of difference" 10.62 + 95% CI of difference" "-50.93 to -8.130" "Interaction CI" ■ Mean diff, A1 - B1" Mean diff, A2 - B2" + (A1 -B1) - (A2 - B2)" 95% CI of difference" + (B1 ■ - A1) (B2 - A2)" 95% CI of difference" Data summary" -17.35 38.71 -56.06 "-98.87 to -13.26" 56.06 "13.26 to 98.87" Number of columns (Column Factor)" 2 Number of rows (Row Factor)" Number of values" 48 2 "Compare each cell mean with the other cell mean in that row" "Number of families" 1 "Number of comparisons per family" Alpha 0.05 "Bonferroni's multiple comparisons test" Control Lesioned" Pre-conditioning surgery" Post-conditioning" 38.71 2 2way ANOVA of Pre & Post Freezing m.comparison Behavior.txt "Mean Diff." "95.00% CI of diff." "Below threshold?" Summary "Adjusted P Value" -17.35 "-52.20 to 17.50" "3.862 to 73.56" Yes No * ns 0.0267 0.5084 "Test details" "Mean 1" "Mean 2" "Mean Diff." "SE of diff." N1 N2 t DF "I Control Lesioned" "I Pre-conditioning surgery" 30.83 Post-conditioning" 88.40 49.68 38.71 48.18 -17.35 15.02 15.02 12 22 12 12 12 2.578 1.155 44.00 44.00

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Interpret this 2 way anova of fear conditioning in rats about pre-conditioning and post-conditioning freezing behavior in control and lesioned rats 

"Table Analyzed"
"Two-way ANOVA" Ordinary
■ Alpha"
0.05
2way ANOVA of Pre & Post Freezing Behavior.txt
"Pre & Post Freezing Behavior"
"Source of Variation"
Interaction"
+ Row Factor"
Column Factor"
"% of total variation" "P value"
11.67 0.0114 *
12.95 0.0079
1.694 0.3200 ns
"P value summary"
Significant?
Yes
**
Yes
No
"ANOVA table"
SS
DF
MS
■
Interaction"
9429
1
■
Row Factor"
10465
1
Column Factor"
1369
1
"F (DFn, DFd)" "P value"
9429 "F (1, 44) = 6.968"
10465
1369
"F (1, 44) = 7.734"
"F (1, 44) = 1.012"
P=0.0114
P=0.0079
P=0.3200
1353
Residual" 59540 44
"Difference between column means"
■
+
+
Mean of Control " 59.61
Mean of Lesioned" 48.93
Difference between means"
SE of difference" 10.62
95% CI of difference"
"Difference between row means"
■
■
10.68
"-10.72 to 32.08"
Mean of Pre-conditioning surgery" 39.51
Mean of Post-conditioning" 69.04
Difference between means"
-29.53
+
SE of difference" 10.62
+
95% CI of difference"
"-50.93 to -8.130"
"Interaction CI"
■
Mean diff, A1 - B1"
Mean diff, A2 - B2"
+
(A1 -B1)
-
(A2 - B2)"
95% CI of difference"
+
(B1
■
-
A1) (B2 - A2)"
95% CI of difference"
Data summary"
-17.35
38.71
-56.06
"-98.87 to -13.26"
56.06
"13.26 to 98.87"
Number of columns (Column Factor)" 2
Number of rows (Row Factor)"
Number of values" 48
2
Transcribed Image Text:"Table Analyzed" "Two-way ANOVA" Ordinary ■ Alpha" 0.05 2way ANOVA of Pre & Post Freezing Behavior.txt "Pre & Post Freezing Behavior" "Source of Variation" Interaction" + Row Factor" Column Factor" "% of total variation" "P value" 11.67 0.0114 * 12.95 0.0079 1.694 0.3200 ns "P value summary" Significant? Yes ** Yes No "ANOVA table" SS DF MS ■ Interaction" 9429 1 ■ Row Factor" 10465 1 Column Factor" 1369 1 "F (DFn, DFd)" "P value" 9429 "F (1, 44) = 6.968" 10465 1369 "F (1, 44) = 7.734" "F (1, 44) = 1.012" P=0.0114 P=0.0079 P=0.3200 1353 Residual" 59540 44 "Difference between column means" ■ + + Mean of Control " 59.61 Mean of Lesioned" 48.93 Difference between means" SE of difference" 10.62 95% CI of difference" "Difference between row means" ■ ■ 10.68 "-10.72 to 32.08" Mean of Pre-conditioning surgery" 39.51 Mean of Post-conditioning" 69.04 Difference between means" -29.53 + SE of difference" 10.62 + 95% CI of difference" "-50.93 to -8.130" "Interaction CI" ■ Mean diff, A1 - B1" Mean diff, A2 - B2" + (A1 -B1) - (A2 - B2)" 95% CI of difference" + (B1 ■ - A1) (B2 - A2)" 95% CI of difference" Data summary" -17.35 38.71 -56.06 "-98.87 to -13.26" 56.06 "13.26 to 98.87" Number of columns (Column Factor)" 2 Number of rows (Row Factor)" Number of values" 48 2
"Compare each cell mean with the other cell mean in that row"
"Number of families"
1
"Number of comparisons per family"
Alpha 0.05
"Bonferroni's multiple comparisons test"
Control
Lesioned"
Pre-conditioning surgery"
Post-conditioning" 38.71
2
2way ANOVA of Pre & Post Freezing m.comparison Behavior.txt
"Mean Diff."
"95.00% CI of diff."
"Below threshold?"
Summary "Adjusted P Value"
-17.35 "-52.20 to 17.50"
"3.862 to 73.56"
Yes
No
*
ns
0.0267
0.5084
"Test details" "Mean 1"
"Mean 2"
"Mean Diff."
"SE of diff."
N1
N2 t DF
"I Control
Lesioned"
"I
Pre-conditioning surgery"
30.83
Post-conditioning" 88.40 49.68 38.71
48.18 -17.35
15.02
15.02
12
22
12
12
12
2.578
1.155
44.00
44.00
Transcribed Image Text:"Compare each cell mean with the other cell mean in that row" "Number of families" 1 "Number of comparisons per family" Alpha 0.05 "Bonferroni's multiple comparisons test" Control Lesioned" Pre-conditioning surgery" Post-conditioning" 38.71 2 2way ANOVA of Pre & Post Freezing m.comparison Behavior.txt "Mean Diff." "95.00% CI of diff." "Below threshold?" Summary "Adjusted P Value" -17.35 "-52.20 to 17.50" "3.862 to 73.56" Yes No * ns 0.0267 0.5084 "Test details" "Mean 1" "Mean 2" "Mean Diff." "SE of diff." N1 N2 t DF "I Control Lesioned" "I Pre-conditioning surgery" 30.83 Post-conditioning" 88.40 49.68 38.71 48.18 -17.35 15.02 15.02 12 22 12 12 12 2.578 1.155 44.00 44.00
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