Compare and contrast * Compare and contrast these four experimental research designs: pre-experimental, true experimental, quasi-experimental, and ex post facto.
* In your comparison, include the following:
* Discuss two similarities and two differences of the four experimental research designs. To guide you, you may consider answering the following questions:
* What are the necessary conditions required for each design?
* What are some of the potential threats to internal and external validity for each design?
* Explain, briefly, how one of these research designs may be appropriate for your selected topic.
Hypotheses and Variables
The ability to develop a hypothesis from a research question is a skill. Quantitative research requires a hypothesis for investigation as it defines the relationship between the two variables being studied. For this assignment, you will find an article that describes a quantitative study and analyze its research questions and hypotheses.
Locate a quantitative study
Attach the study or article you found to your discussion post, and address the following:
Share an example of a quantitative research question and associated hypothesis.
Identify and label the dependent and independent variables for each hypothesis.
Provide examples of Type 1 and Type 2 errors for the null hypotheses.
Page 1 Compare and contrast * Compare and contrast these four experimental rese
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