Exam 12: Inferential Analysis

Just because a program or intervention leads to statistically significant improvement doesn't mean the amount of improvement is meaningful or all that valuable.

A variable that uses discrete numbers,usually 0 and 1,to represent different groups is called a(n)_______________ variable.

Suppose a study is practically significant but not statistically significant.You should ____.

For a basic nonequivalent groups design analysis,the model needs ____ terms.

The basic regression-discontinuity design is a two-group pretest-posttest model.

Suppose a study is neither practically significant nor statistically significant.You should ____.

Any influence on an observed score not related to what you are attempting to measure is referred to as _______________.

In regression point displacement analysis,the dummy variable has ____ levels

The general statistical analysis that enables us to model relationships in data and test for treatment effects is ____.

The _______________ Model is the foundation for the t-test,Analysis of Variance (ANOVA),Analysis of Covariance (ANCOVA),regression analysis,and many of the multivariate methods.

A statistical estimate of the standard deviation one would obtain from the distribution of an infinite number of estimates of the difference between the means of two groups is the ____.

​Figure TB 11-1 -In the accompanying figure,B refers to the ____.

​Figure TB 11-2 -The line indicated by letter A in the accompanying figure is the ____.

Discuss analysis of covariance in terms of regression.

Suppose a study is not practically significant but is statistically significant.You should ____.

Just as the mean does not accurately represent every value in a distribution,the regression line does not accurately represent every value in the _______________.

In GLM equations,the letter z stands for the ____.