When a researcher starts with the dependent variable and moves backwards, it is called ........
1). Predictive research
2). Retrospective research
3). Exploratory research
4). Descriptive research
3. Which of the following includes examples of quantitative variables?
4. What may happen when different comparison groups experience a different history event?
5. The sequential operations in scientific research are
7. Generally the external and internal validity is present in the inference. We get from
8. According to whom ``to start with, the mind is as clean state'.