Discuss the major disadvantages of the Uniform crime report

1.Discuss the major disadvantages of the Uniform crime report as a source of crime. What do you understand by the term “dark figure of crime”?
2.Compare Quasi-Experiments with Controlled Experiments.
3.Discuss the pitfalls with Human Experimentation and Shortcomings of Experimental Research.
4.Discuss the concept of Hypothesis Testing and Attempts to Generalize.

300 words for each answer. In text citations in APA format. Minimum of one reference per answer.