AdvMeth_T3_end

True or False: A mediator explains the relationship between a predictor and an outcome.

For a mediation the direct effect must be non-significant, only the indirect one should be significant

Which value is used to assess collinearity of the predictors?

True or false: A mediation analysis includes an interaction of two predictors in the model.

What cannot be random in multi-level modelling?

True or false: The global significance test is significant only if all the predictors are significant.

If cases in a regression are clustered within the categories of a contextual (higher order) variable, the data are ...

If hierarchical structure in a dataset is ignored when calculating a regression, his can lead to an increase in ...

True or false: For a mediation analysis it is not necessary that the predictor and the mediator are correlated.

The sum of the squared differences of the predicted values minus the mean of the outcome. This describes the…