Applied Regression Analysis by John Fox Chapter 9: Statistical theory for linear models | SPSS Textbook Examples

page 209

GET FILE='D:friendly.sav'.

if cond = "SFR" c1 = 1.
if cond = "Before"  c1 = .5.
if cond = "Meshed" c1 = -.5.
execute.
UNIANOVA
  correct BY c1
  /DESIGN = c1.

Between-Subjects Factors

		N
C1	-.50	10
	.50	10
	1.00	10

Tests of Between-Subjects Effects
Dependent Variable: Number correct (of 40)

Source	Type III Sum of Squares	df	Mean Square	F	Sig.
Corrected Model	264.600(a)	2	132.300	4.341	.023
Intercept	35707.500	1	35707.500	1171.591	.000
C1	264.600	2	132.300	4.341	.023
Error	822.900	27	30.478
Total	36795.000	30
Corrected Total	1087.500	29
a R Squared = .243 (Adjusted R Squared = .187)