1. Illustrate and discuss historical research. Describe a condition in which historical research would be suitable (example).
2. Illustrate out the differentiation between external and internal evidence and provide examples of each.
3. Give an explanation and an example of following descriptive research designs:
• Observation studies
• Correlation research
4. Give an explanation and example for following developmental designs”
• Cross-sectional study
• Longitudinal study
• Survey research
5. Give an explanation and example of sampling bias.
6. Illustrate out the differentiation between probability sampling and nonprobability sampling.