lecture 13 - EXPERIMENTAL RESULTS ALMOST ANYTHING CAN...

Info iconThis preview shows pages 1–19. Sign up to view the full content.

View Full Document Right Arrow Icon
2 way ANOVA Show me the jewlery Looking at prices of jewelry that is either Independent Variable 1 (3 Levels) Victorian Art Nouveau Art Deco Independent Variable 2 (2 Levels) Gold Platinum So this is a 3X2 Design So there are 6 cells
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
two-way ANOVA has three null hypotheses: Rows Style makes no difference Columns Metal makes no difference Interaction There is no interaction
Background image of page 2
2 way ANOVA Show me the jewlery Metal Platinum Gold Style Victorian 5 platinum Victorian prices go in this cell 5 gold Victorian prices go in this cell Art Nouveau 5 platinum Art Nouveau prices go in this cell 5 gold Art Nouveau prices go in this cell Art Deco 5 platinum Art Deco prices go in this cell 5 gold Art Deco prices go in this cell
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
ANOVA Between and withing subjects Main effect for Metal with no main effect for Style, displayed two equivalent ways
Background image of page 4
Main effect for both Metal and Style
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Interaction
Background image of page 6
Interaction
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 way ANOVA Show me the jewlery
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 10
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 12
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 14
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 16
Background image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 18
Background image of page 19
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: EXPERIMENTAL RESULTS- ALMOST ANYTHING CAN HAPPEN - ONE OR MORE MAIN EFFECTS, NO INTERACTION - INTERACTION BUT NO MAIN EFFECT - MAIN EFFECTS AND INTERACTIONS - MAIN EFFECT MARGINAL MEANS - INTERACTIONS INDIVIDUAL CELL MEANS LOOK AT DIFFERENCES AMONG CELL MEANS - INTERACTIONS CAN OCCUR IN A VARIETY OF WAYS - DON’T INTERPRET MAIN EFFECT IN PRESENCE OF INTERACTION? IN 2-WAY ANOVA, DEVIATION FROM GRAND MEAN IS PARTITIONED INTO 4 PARTS 2 ( ) TOT G IJ SS X X =-∑ DEVIATION FROM GRAND MEAN 2 ( ) R G r SS X X =-∑ 2 ( ) C G c SS X X =-∑ 2 ( ) W J ij SS X X =-∑ int ( ) TOT R C W SS SS SS SS SS =-+ +--------------------------------------------------- ------------------------------Σ ADD OVER ALL SCORES DF R = R – 1 DF C = C – 1 DF W = N G – (R * C) DF INT = DF R * DF C DF TOT...
View Full Document

This note was uploaded on 09/28/2010 for the course PSYCH 100A 328-304-20 taught by Professor Shams during the Spring '10 term at UCLA.

Page1 / 19

lecture 13 - EXPERIMENTAL RESULTS ALMOST ANYTHING CAN...

This preview shows document pages 1 - 19. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online