posted a question
response to each question should be at least 250 words in length. Use proper APA format in writing your paper, though an introduction and conclusion are not required.

a. What are descriptive statistics and what are inferential statistics? What are the similarities between descriptive and inferential statistics? What are the differences?

b. What are the similarities between descriptive single-case designs (which are qualitative studies, like case studies are) and small-N research designs? What are the differences? When should descriptive single-case designs be used and when should small-N research designs be used?

c. What are true experiments? How are threats to internal validity controlled by true experiments?

d. What are quasi-experimental designs? Why are they important? How are they different from experimental designs?