Chemical Kinetics Concepts Quiz

What statistical analysis was used to identify if there was a significant difference in the pre-test achievement scores between the control and experimental groups?

• One-way ANOVA

• T-test

• Chi-square test

• Regression analysis

What test was conducted to check the homogeneity of variances with regard to the pre-test achievement scores?

• Levene test

• Wilcoxon signed-rank test

• Mann-Whitney U test

• Kolmogorov-Smirnov test

What was the mean pre-test achievement score for Group 2?

• 18.5

• 22.5

• 19.5

• 17.1

What was the mean post-test achievement score for the control group after correcting for the pre-test scores?

• 30.45

• 33.95

• 33.70

• 30.72

Which statistical analysis was used to identify the differences between the groups' corrected post-test academic achievement scores?

• ANCOVA

• Chi-square test

• One-way ANOVA

• T-test

According to the Scheffe test results, which group had significantly higher academic achievement compared to the control group?

• Both Experiment-I and Experiment-II

• None of the above

• Experiment-II

• Experiment-I

What was the F-statistic value for the One-way ANOVA analysis of the pre-test achievement scores?

• 0.129

• 1.107

• 4.788

• 2.101

What was the sum of squares for the Pre (Regression) source of variation in the ANCOVA analysis of post-test scores?

• 283.732

• 3407.417

• 130606.000

• 3.819