SET PRINTBACK=NONE HEADER=NO.
FILE HANDLE filesave /NAME = "C:\Dropbox\PilesOfVariance\Chapter3a\SPSS".
GET FILE = "filesave/SPSS_Chapter3a.sav".
VARSTOCASES
/MAKE outcome FROM outcome1 TO outcome2
/INDEX = time (2)
/KEEP = ALL.
VARIABLE LABELS
time "time: Occasion (1=pre-test, 2=post-test)"
outcome "outcome: Learning Outcome".
DATASET NAME Chapter3a WINDOW=FRONT.
COMPUTE time1 = time - 1.
COMPUTE treat = group - 1.
VARIABLE LABELS
time1 "time1: Time (0=pre-test, 1=post-test)"
treat "treat: Treatment Group (0=control, 1=treatment)".
EXECUTE.
OUTPUT NAME SPSS_Chapter3a_Output.
ECHO "Chapter 3a Example: Means by group and time for learning outcome".
SUMMARIZE
/TABLES = outcome BY group BY time
/FORMAT = NOLIST TOTAL
/CELLS = COUNT MEAN SEMEAN MIN MAX.
DATASET ACTIVATE Chapter3a WINDOW=FRONT.
ECHO 'Eq 3a.1: Empty Between-Person Model'.
MIXED outcome BY PersonID time
/METHOD = REML
/PRINT = SOLUTION TESTCOV R
/FIXED =
/REPEATED = time | COVTYPE(ID) SUBJECT(PersonID)
.
DATASET ACTIVATE Chapter3a WINDOW=FRONT.
ECHO 'Eq 3a.2: Empty Within-Person Model'.
MIXED outcome BY PersonID time
/METHOD = REML
/PRINT = SOLUTION TESTCOV R
/FIXED =
/REPEATED = time | COVTYPE(CS) SUBJECT(PersonID)
.
DATASET ACTIVATE Chapter3a WINDOW=FRONT.
ECHO 'Eq 3a.7: Conditional Between-Person Model (top of Eq. 3.7);'.
ECHO 'Manual Contrasts for Time and Group'.
MIXED outcome BY PersonID time WITH time1 treat
/METHOD = REML
/PRINT = SOLUTION TESTCOV R
/FIXED = time1 treat time1*treat
/REPEATED = time | COVTYPE(ID) SUBJECT(PersonID)
/TEST = 'Mean: Control Group at Pre-Test' intercept 1 time1 0 treat 0 time1*treat 0
/TEST = 'Mean: Control Group at Post-Test' intercept 1 time1 1 treat 0 time1*treat 0
/TEST = 'Mean: Treatment Group at Pre-Test' intercept 1 time1 0 treat 1 time1*treat 0
/TEST = 'Mean: Treatment Group at Post-Test' intercept 1 time1 1 treat 1 time1*treat 1
/TEST = 'Time Effect for Control Group' time1 1 time1*treat 0
/TEST = 'Time Effect for Treatment Group' time1 1 time1*treat 1
/TEST = 'Group Effect at Pre-Test' treat 1 time1*treat 0
/TEST = 'Group Effect at Post-Test' treat 1 time1*treat 1
.
DATASET ACTIVATE Chapter3a WINDOW=FRONT.
ECHO 'Eq 3a.7: Conditional Within-Person Model (bottom of Eq. 3.7);'.
ECHO 'Manual Contrasts for Time and Group'.
MIXED outcome BY PersonID time WITH time1 treat
/METHOD = REML
/PRINT = SOLUTION TESTCOV R
/FIXED = time1 treat time1*treat
/REPEATED = time | COVTYPE(CS) SUBJECT(PersonID)
/TEST = 'Mean: Control Group at Pre-Test' intercept 1 time1 0 treat 0 time1*treat 0
/TEST = 'Mean: Control Group at Post-Test' intercept 1 time1 1 treat 0 time1*treat 0
/TEST = 'Mean: Treatment Group at Pre-Test' intercept 1 time1 0 treat 1 time1*treat 0
/TEST = 'Mean: Treatment Group at Post-Test' intercept 1 time1 1 treat 1 time1*treat 1
/TEST = 'Time Effect for Control Group' time1 1 time1*treat 0
/TEST = 'Time Effect for Treatment Group' time1 1 time1*treat 1
/TEST = 'Group Effect at Pre-Test' treat 1 time1*treat 0
/TEST = 'Group Effect at Post-Test' treat 1 time1*treat 1
.
DATASET ACTIVATE Chapter3a WINDOW=FRONT.
ECHO 'Eq 3a.7: Conditional Within-Person Model (bottom of Eq. 3.7);'.
ECHO 'Categorical Predictors for Time and Group'.
MIXED outcome BY PersonID time time1 treat
/METHOD = REML
/PRINT = SOLUTION TESTCOV R
/FIXED = time1 treat time1*treat
/REPEATED = time | COVTYPE(CS) SUBJECT(PersonID)
/EMMEANS = TABLES(time1*treat) COMPARE(time1)
/EMMEANS = TABLES(time1*treat) COMPARE(treat)
.
OUTPUT EXPORT NAME=SPSS_Chapter3a_Output
/CONTENTS EXPORT=VISIBLE LAYERS=VISIBLE MODELVIEWS=VISIBLE
/HTML DOCUMENTFILE='C:\Dropbox\PilesOfVariance\Chapter3a\SPSS\SPSS_Chapter3a_Output.html'
IMAGEFORMAT=PNG STYLING=YES.