Survey research and design in psychology/Tutorials/Multiple linear regression/Exercises/English achievement

== English achievement ==

Francis 5.1.2 (pp. 120-122) Data file: SCHL8.sav

Research question: To what extent can English Achievement in Year 8 be explained by socio-educational level (of parents), student gender, amount of English homework done by students and attentiveness paid in class?
 * Design
 * DV = engach (English Achievement)
 * IV1 = sel (Socio-educational Level)
 * IV2 = sex (Student gender)
 * IV3 = enghomewk (Freq of English homework)
 * IV4 = attent (Attentiveness in Year 8)


 * Standard MLR



REGRESSION /DESCRIPTIVES MEAN STDDEV CORR SIG N /MISSING LISTWISE /STATISTICS COEFF OUTS CI R ANOVA ZPP /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT engach /METHOD=ENTER sel sex enghomwk attent.


 * Hierarchical MLR



REGRESSION /DESCRIPTIVES MEAN STDDEV CORR SIG N /MISSING LISTWISE /STATISTICS COEFF OUTS CI R ANOVA CHANGE ZPP /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT engach /METHOD=ENTER sex sel /METHOD=ENTER attent enghomwk.


 * Stepwise MLR

REGRESSION /DESCRIPTIVES MEAN STDDEV CORR SIG N /MISSING LISTWISE /STATISTICS COEFF OUTS CI R ANOVA CHANGE ZPP /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT engach /METHOD=STEPWISE sex sel attent enghomwk.

Francis, G. (2007). Multiple linear regression (Section 5.1). In Introduction to SPSS for Windows: v. 15.0 and 14.0 with Notes for Studentware (5th ed.). Sydney: Pearson Education. Support site
 * Reference