NEW stats vocab

Linear correlation coefficient

an indicator between -1 and +1 of the strength of the linear relationship

strength of relationship

tells the degree to which scored on one variable are related to scores on the other variable

Pearson correlation coefficent

a measurement that describes the linear relationship between two interval variables, two ratio variables, or one interval/ratio variable.

Linear regression

the procedure used to predict Y scores based on X scores

linear regression equation

y = bX + a

proportion of variance

r2, tells us the proportion of variance

ANOVA

Analysis of variance is abbreviated…

two-way anova

a procedure performed when there are two independent variables

two way within anova

when both factors involve independent samples

two way within nova

when both factors involve related samples

post hoc comparisons

t tests between each of the pairs of means in the study

linear regression

the procedure used to predict y scores based on X scores

linear regression equation

y = bX + a

porportion of variance

r2, tells us the proportion of differences in y scores associated with changes in x

Pearson correlation coefficient

a measurement that describes the linear relationship between two interval variables, ratio variables or one interval and one ratio variables.