Write a 1,050- to 1,400-word paper describing the types and functions of research designs. Address each of the following in your paper:

• An explanation of internal and external variable-related validity factors
• The strengths and limitations of experimental research designs
• A summary of two contemporary examples of experimental research conducted within the criminal justice field within the past 10 years

Format your paper consistent with APA guidelines.

no plagiarism

include title page, reference page, intext citation, proper grammar, read directions of paper!