Focus groups and in-depth interviews are used in descriptive research to gather information from individuals. O True O False QUESTION 8 The goal of causal research is to control or eliminate all other possible causes of an effect except the ones being studied, True False QUESTION 9 A research hypothesis states a. in statistical terms the outcome of descriptive research b. an expected research outcome relevant to one or more variables O c. the information researchers expect from an exploratory study d. what researchers hope will occur during an experiment