Question: What is the null and research hypothesis? Does the intervention have a significant effect? Conclude the research with a statement (include t-stat and p-value) Paired

What is the null and research hypothesis? Does the intervention have a significant effect? Conclude the research with a statement (include t-stat and p-value)

Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 Spring_Score 7.04 25 1.947 389 Fall_Score 5.52 25 2.023 405 Paired Samples Correlations Significance N Correlation One-Sided p Two-Sided p Pair 1 Spring_Score Fall_Score 25 .217 .149 .298 Paired Samples Test Paired Differences Significance 95% Confidence Interval of the Difference Mean Std. Deviation Std. Error Mean Lower Upper df One-Sided p Two-Sided p Pair 1 Spring_Score - Fall_Score 1.520 2.485 .497 494 2.546 3.058 24 003 005 Paired Samples Effect Sizes 95% Confidence Interval Standardizer Point Estimate Lower Upper Pair 1 Spring_Score - Fall_Score Cohen's d 2.485 612 .178 1.034 Hedges' correction 2.566 592 173 1.002 a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation of the mean difference. Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor

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