![]() Our research reveals that the traditional surface approach methods for teaching spreadsheeting do not provide long lasting, reliable knowledge which would provide students and end-users with effective problem-solving strategies, while Sprego does. On the other hand, classical, tool-centered approaches are applied in the control groups. The final steps of the process are discussion and debugging. The coding is completed in the following step by applying a limited number of spreadsheet (Sprego) functions, multilevel, and array formulas. A semi-unplugged data-driven analysis is carried out based on each problem, which is followed by the building of a feasible algorithm, expressed by natural language expressions. ![]() In the experimental group contextualized, real-world programming problems are presented in a spreadsheet environment. The novel method applied in the project, entitled Sprego (Spreadsheet Lego), is a concept-based problem-solving approach adapted from the didactics of other sciences and computer programming. The paper presents the details of a four-year project to test the effectiveness of teaching spreadsheeting with spreadsheet programming, instead of the traditional, widely accepted surface approach methods. ![]()
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