| Research questions | Instrument | Data Analysis |
| Are there differences in pre- and post-achievement test scores for the field of Respiratory Systems in Humans and Animals in the experimental group? | Achievement test for the field of Respiratory Systems in Humans and Animals (Set 1) | Wilcoxon signed Rank Test |
| Are there differences in post-achievement test scores for the field of Respiratory Systems in Humans and Animals between the control group and the treatment group? | Achievement test for the field of Respiratory Systems in Humans and Animals (Set 2) | Mann Whitney U |
| Are there differences in pre and post-test scores of CT skills in the experimental group | Questionnaire CT as Problem Solving | Wilcoxon signed Rank Test |
| Are there differences in post-test scores of CT skills between the control group and the treatment group? | Questionnaire CT as Problem Solving | Mann Whitney U |
| Are there differences in pre and post-test scores of metacognitive awareness in the experimental group? | Metacognitive awareness questionnaire | Wilcoxon signed Rank Test |
| Are there differences in post-test scores of metacognitive awareness between the control group and the treatment group? | Metacognitive awareness questionnaire | Mann Whitney U |