A researcher was interested in testing males' and females' use of language. Participants were asked to come up with as many creative words as they could. The researcher asked 50 males and 50 females to do this task and compared the scores for males to the scores for females. 1. What is the independent variable ? 2. What is the scale of measurement for this variable? 3. What is the dependent variable ? 4. What is the scale of measurement for this variable