Environment Concept Achievement Test by S.K. Bawa and I. Kaur (English)

This 50 item test measures concepts on trigonometry on six areas: i) Meaning & conceptual based, ii) Trigonometric ratios of an angle, iii) Trigonometric ratios of specific angles, iv) Trigonometric ratios of complimentary angle, v) Trigonometric identity based, vi) Height & distance based. The test is developed for 10 class students

This scale consists 70 items devided into twelve area—I. Rational, Number, II. Linear Equations in one variable, III. Quadrilaterals, IV. Data Handling, V. Squares and Square Roots, VI. Cubes and cube Roots, VII. Comparing Quantities, VIII. Algebraic Expressions and Identities, IX. Menstruation, X. Exponents and Powers, XI. Direct and Inverse Properties, XII. Factorization. It developed on on 300 male/female students of class IX.