3-29-11 - 3-29-11Analyzing Multiple-Group...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 3-29-11Analyzing Multiple-Group DesignsMultiple-groups designs are measured with the analysis of variance (ANOVA)oOne-way ANOVA: one IV; completely randomized ANOVA: independent groups; repeated-measures ANOVA: correlated groupsoVariation divided or partitioned, according to the factors assumed to be responsible for the variation (Source of Variance)oF Ratio checked to determine whether the variation among the means is statistically significantoPartitioning VarianceScores (DV) are determined by 3 factorsCharacteristics of subject at time score measuredMeasurement or recording errors (experimental error)Value of IV (assuming it was effective)Total variation btw group variability (caused by variation of the IV, individual differences and experimental error)W/in Group Variability (Error of individual differences, experimental error, extraneous variation)oF-RatioF = Variation due to IV + error variance (Btw Ss)_____________________________________________________...
View Full Document

Page1 / 2

3-29-11 - 3-29-11Analyzing Multiple-Group...

This preview shows document pages 1 - 2. Sign up to view the full document.

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