basic experimental designs

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Design a study that examines whether a study guide is effective in raising students exam grades. Your study should use a two-group post-test only design. This will allow to discuss the limitation of the two-group post-test only design in comparison to the classical experimental design. This is the formula: Pre-Test Post-Test

O(Treatment) X O(Treatment)
R
O(Control) O(Control)

To receive full credit for this assignment you must state and explain the following concepts in narrative format using full sentences, no bulleted lists

What is the independent variable (IV) in your study?
Hint 1: This should be a categorical variable
Hint 2: Be sure to phrase this as a variable (e.g., whether a participant receives…)
What is the dependent variable (DV) in your study?
Hint 1: This should be a continuous variable.
How will you manipulate the IV in the study, and how will you accomplish random assignment of participants to the group (that is the R in the model above)?

Hint 1: Don’t confuse random assignment with random selection. One addresses internal validity while the other addressed concerns with external validity. Can you explain why?
What is the treatment group and control group in your study? That is, what makes them different in the context of your specific study?
What is the post-test in this study?
Hint 1: Look at the DV but keep in mind that this is not always the case (e.g., classic experimental design).
Based on your experimental design, what outcomes or scores would illustrate that the study guide was effective at increasing exam grades?
What is a limitation of your two-group post-test only design?

Specifically, how does the lack of a pre-test limit your ability to make a causal claim?

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