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Effect of Discovery Learning on Students’ Achievement in Management Accounting among Polytechnic Students in Nigeria

Abstract

Management accounting is an important area of accounting education because it equips students with knowledge and skills required for planning, cost control, performance evaluation, budgeting, decision-making, and the effective use of accounting information for managerial purposes. However, students may experience difficulties achieving strong academic performance in management accounting when instruction focuses primarily on direct explanation, memorization, and routine problem-solving without sufficient opportunities for students to investigate accounting problems and develop solutions independently. Discovery Learning provides a learner-centred instructional approach in which students explore accounting problems, examine information, identify patterns, formulate relationships, test possible solutions, and develop understanding through guided discovery. This approach may encourage active participation, analytical reasoning, problem-solving, independent learning, and deeper engagement with management accounting concepts. Against this background, this study investigates the effect of Discovery Learning on students' achievement in management accounting among polytechnic students in Nigeria. The study will be anchored on Constructivist Learning Theory, Cognitive Learning Theory, and Bruner's Discovery Learning Theory. Constructivist Learning Theory emphasizes the active construction of knowledge through learners' interaction with information, prior knowledge, problem-solving, and meaningful experiences. Cognitive Learning Theory focuses on how learners process, organize, retain, and apply information, while guided discovery may encourage students to establish meaningful relationships among management accounting concepts. Bruner's Discovery Learning Theory emphasizes learning through exploration, inquiry, problem-solving, pattern recognition, and the discovery of relationships with appropriate guidance from the instructor. Collectively, these theoretical perspectives provide a suitable framework for explaining how Discovery Learning may influence students' achievement in management accounting. The study will adopt a quantitative quasi-experimental research design. The study population will comprise accounting education students enrolled in selected public polytechnics across Nigeria. A multistage sampling technique will be used to select geopolitical zones, states, polytechnics, departments, levels of study, classes, and eligible students. Discovery Learning will be assessed using indicators such as problem exploration, inquiry-based activities, guided investigation, discovery tasks, accounting problem scenarios, identification of patterns, examination of accounting information, formulation of relationships, hypothesis generation, testing of possible solutions, independent analysis, guided questioning, practical accounting investigations, case-based activities, budgeting investigations, cost-analysis activities, variance-analysis tasks, decision-making scenarios, cost-behaviour investigations, performance-analysis activities, learner-generated solutions, peer discussion, collaborative discovery, lecturer guidance, hints and prompts, progressive task difficulty, feedback, reflection, application of discovered principles, repeated discovery activities, and opportunities for students to explain how solutions were developed. Students' achievement in management accounting will be assessed using indicators such as knowledge of management accounting concepts, cost classification, cost behaviour analysis, marginal costing, absorption costing, cost-volume-profit analysis, break-even analysis, budgeting, budgetary control, standard costing, variance analysis, relevant costing, short-term decision-making, make-or-buy decisions, product-mix decisions, pricing decisions, performance measurement, responsibility accounting, transfer pricing, capital investment evaluation, interpretation of management accounting information, preparation of management accounting reports, numerical accuracy, application of accounting principles, analytical reasoning, problem-solving ability, interpretation of accounting data, ability to justify accounting decisions, and performance on unfamiliar management accounting problems. Data will be collected using structured questionnaires, standardized management accounting achievement tests, practical accounting exercises, discovery tasks, case studies, scenario-based questions, problem-solving activities, observation checklists, competency-based assessment rubrics, and pre-test and post-test assessments. Descriptive statistics will be used to summarize students' demographic and academic characteristics, exposure to Discovery Learning, learning experiences, and levels of management accounting achievement. Inferential statistical techniques, including paired and independent t-tests, analysis of covariance (ANCOVA), correlation analysis, and multiple regression analysis where appropriate, will be used to determine the effect of Discovery Learning on students' achievement in management accounting. Where a quasi-experimental design is adopted, students' management accounting achievement scores before and after exposure to Discovery Learning may be compared with those of a control group receiving conventional management accounting instruction to determine changes associated with the intervention. Diagnostic tests will also be conducted to assess the reliability, validity, and robustness of the findings. The study is expected to find that Discovery Learning has a significant positive effect on students' achievement in management accounting among polytechnic students in Nigeria. Students exposed to structured and appropriately guided Discovery Learning are expected to demonstrate higher achievement, stronger analytical reasoning, improved problem-solving ability, and better application of management accounting concepts than students receiving conventional instruction. Problem exploration may encourage students to examine accounting information carefully before attempting to solve a problem. Guided investigation may help students identify relationships among cost, volume, revenue, profit, and other management accounting variables. Cost-behaviour investigations may enable students to discover how fixed, variable, and mixed costs respond to changes in activity levels. Budgeting activities may encourage students to examine financial information and identify relationships necessary for preparing and evaluating budgets. Variance-analysis tasks may allow students to investigate differences between standard and actual performance and determine possible explanations for those differences. Cost-volume-profit investigations may help students discover relationships among sales volume, costs, contribution, and profit through practical scenarios. Relevant-costing activities may encourage students to examine alternative costs and identify information that is relevant to specific managerial decisions. Make-or-buy, product-mix, pricing, and other decision-making scenarios may provide opportunities for students to discover how accounting information supports managerial choices. Performance-analysis activities may help students interpret accounting information and identify factors affecting organizational performance. Guided questioning and lecturer prompts may provide sufficient support while allowing students to develop solutions rather than simply receive them. Peer discussion may expose students to alternative approaches and encourage students to justify their reasoning. Repeated discovery activities may strengthen students' ability to transfer management accounting principles to unfamiliar problems. Reflection activities may help students consolidate the relationships and principles discovered during learning. However, inadequate prior knowledge, poorly designed discovery tasks, insufficient lecturer guidance, large class sizes, limited instructional time, inadequate learning resources, students' unfamiliarity with independent learning, difficulty managing complex discovery activities, and excessive cognitive demands may reduce the effectiveness of the strategy. The study therefore expects structured, guided, curriculum-aligned, and problem-focused Discovery Learning to contribute significantly to improved achievement in management accounting among polytechnic students in Nigeria. The study is expected to contribute to the literature on Discovery Learning, management accounting achievement, constructivist learning, cognitive learning, Bruner's Discovery Learning Theory, inquiry-based learning, problem-solving, active learning, accounting education, management accounting instruction, learner-centred education, accounting pedagogy, practical accounting education, analytical reasoning, accounting skills development, and polytechnic education in Nigeria. The findings will provide useful information to the National Board for Technical Education, polytechnics, accounting education departments, accounting educators, curriculum developers, professional accounting bodies, and policymakers regarding strategies for improving students' achievement in management accounting. The study will also provide evidence-based recommendations for integrating Discovery Learning into management accounting instruction, developing guided discovery activities for complex accounting topics, using realistic management accounting cases and business scenarios, incorporating investigation-based budgeting and cost-analysis activities, providing appropriate lecturer prompts and feedback, strengthening students' independent problem-solving abilities, combining discovery activities with practical accounting exercises, training accounting educators in guided discovery techniques, developing competency-based assessments of management accounting achievement, and aligning accounting education with the analytical, decision-making, problem-solving, and practical competencies required in contemporary accounting practice in Nigeria.

Keywords: Discovery Learning, management accounting achievement, accounting education students, constructivist learning, cognitive learning, Bruner's Discovery Learning Theory, inquiry-based learning, active learning, problem-solving, management accounting instruction, learner-centred education, accounting pedagogy, practical accounting education, Nigerian polytechnics, Nigeria.