Explain whether internal validity is demonstrated and provide a detailed rationale for your determination, making sure to discuss any potential limitations that may be evident, or discussing how the design accounted for potential limitations.

For each Graphic Display, provide a complete visual analysis of the data that is provided (Trend, Level, Stability/Variability w/ calculations, PND as appropriate, etc). Be sure to identify each research design, and determine whether experimental control was demonstrated with a clear rationale to support your analysis, making sure to evaluate both within and between conditions of the data as appropriate for each specific design. Also, explain whether internal validity is demonstrated and provide a detailed rationale for your determination, making sure to discuss any potential limitations that may be evident, or discussing how the design accounted for potential limitations.

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