Question 1
In hierarchical multiple regression, variables are added into the model in different blocks. In this case, the dependent variable is the memory function in elderly people. The research is aimed at finding the nature of the association between memory function and social contact. Two blocks will be used in this regression analysis. Social contact is the primary independent variable hence block 1 will include social contact and memory function among healthy elderly people. The two variables will be regressed to obtain a model. After regression, the R-Squared of the model is checked to determine the changes in Y (memory ...
