ANCOVA of post-test scores covarying pre-test scores confirms the ITS group outperformed the face-to-face group¶

Claim · All claims
Evidence · 1 study · causal r1 · q3
Currency · newest study 2018 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? A statistically significant relationship was found between the corrected post-test means of the experimental and control groups (F(1-77) = 35.746, p < 0.05). → Karaci 2018

q3 i? Post-test scores of the experimental ITS group were significantly higher than those of the control group (t = 5.83, p < 0.05). → Karaci 2018

Evidence¶

Karaci 2018¶

Karaci, A., Akyuz, H. I., Bilgici, G., & Arici, N. (2018). Effects of Web-based Intelligent Tutoring Systems on Academic Achievement and Retention. International Journal of Computer Applications, 181(16). https://eric.ed.gov/?id=ED588768

q3 · i? · causal · r1

ANCOVA of post-test scores sorted by pre-test scores in the same 80-student controlled experiment. Corrected means were 20.685 (experimental) and 16.238 (control), and the group effect was significant at "F(1 -77) = 35.746, p < 0.05".

"A statistically significant relationship was found between the means of the sorted post -test scores of the experimental and control groups (F(1 -77) = 35.746, p < 0.05)."

Discussion¶

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