Prof. W Chandradasa

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Prof. W Chandradasa

Associate Professor


Department of Educational Psychology,
Faculty of Education,
University of Colombo
Sri Lanka.

TP: +94 (0)112504734 (Office)
email: wchandradasa@yahoo.com

  • Doctor of Philosophy (Colombo)
  • Master of Philosophy (Colombo)
  • Bachelor of Education (Colombo)



  • Educational and Psychological Test Construction
  • Measurement and Assessment in Education and Psychology
  • Self-concept Development



Books/Book Chapters

  • 2004. Inferential Statistics for Educational and Psychological Research (Sinhala). Sara Publishers, Kottawa.ISBN 955-584-449-6.
  • 2009. Descriptive Educational Statistics (Sinhala). Author publication.ISBN 978-955-96901-3-9.

Conference Papers

  • 2000.The Influence of school performance measures on Academic Self-Concept A paper presented at the Annual Academic Sessions- 2000. Faculty of Education, University of Colombo.
  • 2007. Problems confronted by exam oriented education. A paper presented at the Symposium on Quality Improvement in School education Organized by the Ministry of Education in collaboration with the Faculty of Education and other Universities in Sri Lanka , July 17,18 and 19, 2007.
  • 2008. Construction and standardization of An Academic Self-Concept scale.
    A paper presented at the Annual Research Symposium conducted by the University of Colombo 2008.
  • 2008. Out of School Children in Sri Lanka . A paper presented at NUEPA India.

Journal Papers

  • 1995. Methods of assessing construct validity of psychological tests(Sinhala). Adyapana No. 25 ; (Journal of the National Education Society of Sri Lanka ), 72-81.
  • 1999. Self-concept and its nature(Sinhala). Adyapana Manovidya sangrahaya . Dr. Raja Gunawardhana and Mr. R. Abeypala (Eds). 137-154. Sara Publishers, Kottawa.
  • 2000. Reliability of test scores. Education Review. 1 (Sinhala). Chandradasa (Ed.). 77- 98.
  • 2000. Self-esteem and Education.(Sinhala) Development in Education 25 th Anniversary Volume. 63-73, Faculty of Education, University of Colombo.
  • 2006. Reporting the results of inferential statistic analysis.(Sinhala) Adyapanay (Journal of National Education Society) No. 37 ” . 51-65.
  • 2006. A review of the learning theories of Thorndike, Wotson, Pavlow and Skinner: Behavioristic Psychologists(Sinhala) Adyapana ( Journal of National Education Society) No. 39 3-24.
  • 2007. Self-confidence for the development Adyapana Prathiba(Sinhala). 60-63 An Publication of the Arts Circle Of The B.Ed Students, Faculty of Education, University of Colombo
  • 2008 Effect of self concept on learning achievements Adyapana Prathiba (Sinhala). 44-52. An Publication of the Arts Circle Of The B.Ed Students, Faculty of Education, University of Colombo
  • 2009 . Effect of teacher expectations on students learning Adyapana Sanvada (Sinhala). Chandana Kasthuriarachchi(Ed.) Faculty of Education , University of Colombo . 52-73.
  • 2009 . Piaget’s views on intelligence and its development. Pranamapuja (Sinhala). Wimal Hewamanage(Ed). 113-132.

Unpublished Thesis

  • 1996. Construction and Validation of A Self-concept Measuring Instrument for Sri Lankan secondary level school children.(Sinhala) M.Phil Thesis
  • 2005. An study on the relationship between self-concept of Academic Ability and academic achievement measures and the frame of reference effect on it. Ph.D Thesis


  • Educational Measurement and Assessment
  • Educational and Psychological Testing
  • Educational Psychology
  • Assessment in Counseling
  • Educational Statistics
  • Research Methods



Graduate supervision

  • 2003/M.Phil/T 03 – Ms H.H.A.S.J. Wevegedara.
    A critical study to assess the extent to which school based assessment procedure is successfully used in learning teaching process in junior secondary classrooms.
  • 2004/M.Phil/15 – Ms. M.D.V.N. Gunathilaka
    A study Based on the conduct of School Based Assessment procedure in 12-13 grades of Sri Lankan school system and the merits and demerits of it.
  • 2006/M.Phil/13 / -Mr D. Keppitigoda.
    Teachers’ use of Motivational Strategies Students’ Motivational beliefs and Cognitive strategies in the classroom academic Performance.
  • 2004/M.Ed/PT/P12 – Ms. M. Cleda Kanthi.
    A study based on the use of school based assessment procedure in Biology at the GCE (A/L) in the Kuliyapitiya Education District.
  • 2004/M.Ed/FT/P16 – Mr. M.A.P. Munasinghe.
    A study to assess the performance of school based assessment procedure at the key stage three of the primary school curriculum .
  • 2004/M.Ed/PT/S5 – U.N. Ranawaka.
    A study based on the factors that contribute to occupational satisfaction of teachers in Government Schools.
  • 2004/M.Ed/FT/P22 – Ms. K.G. Sirimawathie.
    A study to assess the performance of school based assessment at the 9 th grade level of junior secondary level school.
  • 2004/M.Ed/PT/P14 – Mr. G.G.P.P. Kumara.
    A study to assess the performance of School Based assessment in the subjects of social studies and History at GCE (O/L).

Editorial Work

  • 2004 . Educational Review -2 . ISBN 955-96901 -1-6, Homagama
  • 2009 . Educational Review -3 . ISBN 978-955-96901-2-2,Homagama

Joint Research

  • 1991. Internal Evaluation of Matara Education Development Project , conducted by the Faculty of Education, University of Colombo
  • 2000. Tracer Study of Technical College Graduates 1999/2000 , conducted by the Department of Census and Statistics and The National Educational Research and Evaluation Center , Faculty of Education
  • 2003. The Implementation of School Based Assessment in Post Primary Classes conducted by The National Educational Research and Evaluation Centre, University of Colombo
  • 2005. Construction and validation of a general ability test battery for the students in the age group 10-18 year in the school system of Sri Lanka , Conducted by The National Educational Research and Evaluation Centre, University of Colombo
  • 2007. National Assessment of Achievement of grade 8 students in Sri Lanka conducted by The National Educational Research and Evaluation centre. University of Colombo
  • 2009. Mapping Out of School Children (in selected sample of 14 district in Sri Lanka) conducted by The National Educational Research and Evaluation Centre, University of Colombo
  • 2009. National Assessment of Achievement of Grade 4 students in Sri Lanka conducted by The National Educational Research and Evaluation Centre. University of Colombo


  • Member of Sri Lanka evaluation Association
  • The Dean of the Faculty
  • Course coordinator –Bachelor of Education part III
  • Course coordinator –Master of Education (Educational and Developmental psychology) (Full Time)
  • Senior Treasurer of the Education Faculty Students Union
  • A Member of the management committee of the Day Care centre, University of Colombo