stepwise regression

1. Does my predictor in my multiple regression have too many variables?

So I am trying to work out what is the best predictor of a) awareness over environmental issues, b) concern over environmental issues and c) pro-environmental behaviour from a set of sociodemographics (eg. age bracket, political standing, location etc) measured using a survey. I am using a...
2. How is conditional main effect interpreted when there is interaction?

I have a question about multiple regression. May I kindly ask how should I interpret the conditional main effect when the interaction is 0 and the coefficients have opposite signs, more specifically if one of the interaction term contains zero such as angle or time. Please see an example...
3. backwards stepwise multiple regression, collinearity. Rejected paper.

Hi helpful people! My research paper was recently rejected and some of the feedback I received was in relation to the statistical tests done/not done. I would like help in clarifying what I could do differently as the feedback was not to informative. I am attempting to see which baseline...
4. Many predictors relative to cases, want to identify interesting ones

I've been helping a colleague with his research project. He is looking at the trustworthiness of profile texts. He is analyzing text entries using the LIWC tool, which generates around 90 dimensions based on text input (positive/negative affect, pronoun use, etc.). Most of it on the ratio or...
5. Paired Sample T-Test, Bivariate Correlation, Factors Influencing Resistance to Change

Hi there, My study investigates factors that influence resistance to change in an organisation. The independent variables are: trust, communication, age and participation. For the purpose of this study, the target population (N=25) answered self-administered questionnaires, using a...
6. Stepwise Logit Regression - Drop of variables

Dear All, I have a small question I hope you could help me with. I am trying to find a predictive model for a dataset doing a stepwise logit regression. I have a few variables with info that is included in another variable. E.g. "income" (0-9 with 0=income is missing) and "income...