pls

Qualitative research should be undertaken when performing which type of research? All other answers; qualitative research is appropriate in all these cases Descriptive Causal Exploratory Basic Question 26 If advertising spending is being manipulated in order to gauge the effect on product sales, considered: To be caused by (in a strict causality sense) a change in advertising spending To be an independent variable None of the other answers To be a predictor variable To be a dependent variable