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Author

Lilis Marina Angraini

2 papers indexed here

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Open access Aug 2026

Tracing Conceptual Errors in Grade 11 Students’ Reasoning About Sequences and Series

Purpose – This study investigates conceptual errors in Grade 11 students’ solutions to sequences-and-series problems and examines the reasoning underlying these errors by distinguishing conceptual, procedural, and operational breakdowns. Methodology – A qualitative descriptive design involved 33 Grade 11 students from...

Naufal Hilmiy, Lilis Marina Angraini, Muhammad Sajjad · 0 citations
Open access Aug 2026

Mapping Undergraduate Students' Misconceptions and Their Developmental Trajectory in Fundamental Concepts of Complex Analysis

Purpose: Conceptual understanding is fundamental in Complex Analysis because students must coordinate algebraic, geometric, and polar representations to construct advanced mathematical concepts. However, existing studies have primarily focused on identifying students' errors rather than explaining how misconceptions de...

R. Septianingsih, Arcat, Jajang Rahmatudin et al. · 0 citations

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