JMP Fit Model
Recall Experiment
Set up your data table with explanatory variables: Reinforce and IsoTime. These
variables should be Data Type – Character and Modeling Type – Nominal. The response
variable Recall should be Data Type – Numeric and Modeling Type – Continuous. Go to
the Modeling (or Analysis) Menu and choose Fit Model. Pick Recall as your Y variable.
Add Reinforce and Isolate as terms of the model. By highlighting both Reinforce and
IsoTime in Select Columns and clicking on Cross, the interaction term will be included in
the model. Alternatively, you can highlight both Reinforce and IsoTime in Select
Columns and go to the Macros pull down and click on Full Factorial. This will enter
each main effect and interaction term. Select as your Emphasis: Minimal Report. Then,
just click Run Model.
1
JMP output for Recall Experiment
Response Recall
Summary of Fit
RSquare
RSquare Adj
Root Mean Square Error
Mean of Response
Observations (or Sum Wgts)
Analysis of Variance
Source
DF
Model
5
Error
18
C. Total
23
Sum of Squares
896.0000
234.0000
1130.0000
Parameter Estimates
Term
Intercept
Reinforce[N]
IsoTime[20]
IsoTime[40]
Reinforce[N]*IsoTime[20]
Reinforce[N]*IsoTime[40]
Effect Tests
Source
Reinforce
IsoTime
Reinforce*IsoTime
0.79292
0.735398
3.605551
24
24
Estimate
24
-2
-2.5
4
2.5
4.5
Nparm
1
2
2
DF
1
2
2
Mean Square
179.200
13.000
Std Error
0.73598
0.73598
1.040833
1.040833
1.040833
1.040833
Sum of Squares
96.00000
196.00000
604.00000
F Ratio
13.7846
Prob > F
<.0001
t Ratio
32.61
-2.72
-2.40
3.84
2.40
4.32
F Ratio
7.3846
7.5385
23.2308
Prob>|t|
<.0001
0.0141
0.0273
0.0012
0.0273
0.0004
Prob > F
0.0141
0.0042
<.0001
2
Effect Details
Reinforce
Least Squares Means Table
Level
N
V
Least Sq Mean
22.000000
26.000000
Std Error
1.0408330
1.0408330
Mean
22.0000
26.0000
LS Means Plot
40
RecallLS Means
35
30
25
20
15
10
5
N
V
Reinforce
IsoTime
Least Squares Means Table
Level
20
40
60
Least Sq Mean
21.500000
28.000000
22.500000
Std Error
1.2747549
1.2747549
1.2747549
Mean
21.5000
28.0000
22.5000
LS Means Plot
40
RecallLS Means
35
30
25
20
15
10
5
20
40
60
IsoTime
3
LSMeans Differences Student's t
Alpha=0.050 t=2.10092
Mean[i]-Mean[j]
Std Err Dif
Lower CL Dif
Upper CL Dif
20
LSMean[i] By LSMean[j]
20
0
0
0
0
6.5
1.80278
2.71251
10.2875
1
1.80278
–2.7875
4.78749
40
60
40
60
–6.5
1.80278
–10.287
–2.7125
0
0
0
0
–5.5
1.80278
–9.2875
–1.7125
–1
1.80278
–4.7875
2.78749
5.5
1.80278
1.71251
9.28749
0
0
0
0
Level
Least Sq Mean
40
A
28.000000
60
B
22.500000
20
B
21.500000
Levels not connected by same letter are significantly different
Reinforce*IsoTime
Least Squares Means Table
Level
N,20
N,40
N,60
V,20
V,40
V,60
Least Sq Mean
22.000000
30.500000
13.500000
21.000000
25.500000
31.500000
Std Error
1.8027756
1.8027756
1.8027756
1.8027756
1.8027756
1.8027756
LS Means Plot
40
35
RecallLS Means
V
30
25
20
15
N
10
5
20
40
60
IsoTime
4