Baum, S. M. (1988). An enrichment program for the gifted learning disabled students. Gifted Child Quarterly, 32(1), 226–230.
Burns. (2004). Empirical analysis of drill ratio research: Refining the instructional level for drill tasks. Remedial and Special Education.
Daly EJ 3rd, Martens BK, Kilmer A, Massie DR. (1996). The effects of instructional match and content overlap on generalized reading performance. Journal Applied Behavioral Analysis. Winter;29(4):507-18.
Goyibova N, Muslimov N, Sabirova G, Kadirova N, Samatova B.(2025). Differentiation approach in education: Tailoring instruction for diverse learner needs. MethodsX. Jan 7;14:103163.
Huebner, T.A. (2010). Differentiated Learning. Educational Leadership, 67:5, February.
Lawrence-Brown, D. (2004). Differentiated Instruction: Inclusive Strategies for Standards-Based Learning That Benefit the Whole Class. American Secondary Education, 32:3, p. 37.
Mento, Steel, & Karren. (1987). A meta-analytic study of the effects of goal setting on task performance: 1966–1984. Organizational Behavior and Human Decision Processes.
Olenchak, F. R. (1990). School change through gifted education: Effects on elementary students’ attitudes toward learning. Journal for the Education of the Gifted, 14(1),66–78. https://doi.org/10.1177/016235329001400108
Olenchak, F. R., & Renzulli, J. S. (1989). The effectiveness of the Schoolwide. Enrichment Model on selected aspects of elementary school change. GiftedChild Quarterly, 33(1), 36–46. https://doi.org/10.1177/001698628903300106
Renzulli, J. S. (1994). Schools for talent development: A practical plan for total school improvement. Mansfield Center, CT: Creative Learning Press.
Tomlinson C.A. (2014) . The Differentiated Classroom: Responding to the Needs of All Learners. 2nd ed. Pearson Education.
Tubbs (1986). Goal setting: A meta-analytic examination of the empirical evidence. Journal of Applied Psychology.
Wright. (1990). Operationalization of goal difficulty as a moderator of the goal difficulty-performance relationship. Journal of Applied Psychology.