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Direct linkGerhardt, Ira – PRIMUS, 2015
An experiment was conducted over three recent semesters of an introductory calculus course to test whether it was possible to quantify the effect that difficulty with basic algebraic and arithmetic computation had on individual performance. Points lost during the term were classified as being due to either algebraic and arithmetic mistakes…
Descriptors: Mathematics Instruction, College Mathematics, Undergraduate Study, Calculus
Download full textBridgeman, Brent; Cline, Frederick; Levin, Jutta – ETS Research Report Series, 2008
In order to estimate the likely effects on item difficulty when a calculator becomes available on the quantitative section of the Graduate Record Examinations® (GRE®-Q), 168 items (in six 28-item forms) were administered either with or without access to an on-screen four-function calculator. The forms were administered as a special research…
Descriptors: College Entrance Examinations, Graduate Study, Calculators, Test Items
