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SCHOOLAR: Social and Literature Study in Education
Published by Universitas KH. A. Wahab Hasbullah
ISSN : -     EISSN : 27970299     DOI : -
Core Subject : Education, Social,
Education Languange, Linguistic, Communication & Media Social Sciences Other
SCHOOLAR: Social and Literature Study in Education is a scientific journal published by the Institute for Research and Community Service (LPPM), KH University. A. Wahab Hasbullah Jombang. SCHOOLAR: Social and Literature Study in Education aims to provide information from the results of research and literature review (non-applied) researchers who focus on education. Focus and Scope The Scope of our journal includes: (1) teaching method in literature, (2) model learning in literature, (3) education management, (4) history of education, (5) strategic learning in literature, (6) other literature in education.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 251 Documents
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Effectiveness of NTGD-Based E-Books on Students’ Analytical Thinking in Algebraic Derivatives Learning Khotimah, Khusnul; Putra, Ino Angga
SCHOOLAR: Social and Literature Study in Education Vol. 5 No. 3 (2026): February
Publisher : LPPM Universitas KH. A. Wahab Hasbullah

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Abstract

This study aims to analyze the effectiveness of an e-book based on the Numbered Team in Guided Discovery (NTGD) model in improving students’ analytical thinking skills on the topic of derivatives of algebraic functions. The research employed a quantitative approach using a pre-experimental one-group pretest–posttest design involving a single class of 25 students selected through purposive sampling. The research instrument consisted of an essay-type analytical thinking skills test measuring three indicators: the ability to identify problems, analyze relationships among concepts, and draw logical conclusions. Data were analyzed using the Shapiro–Wilk normality test and a paired-samples t-test at a significance level of 0.05. The results indicated that both pretest and posttest data were normally distributed and that there was a statistically significant difference between pretest and posttest scores, with a t-value of –13.171 and a Sig. (2-tailed) value of 0.000 < 0.05. These findings indicate that the use of the NTGD-based e-book had a significant effect on improving students’ analytical thinking skills on the topic of derivatives of algebraic functions. Therefore, the NTGD-based e-book is worthy of consideration as an alternative learning medium for developing higher-order thinking skills in mathematics learning.

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