This work is licensed under a
Creative Commons Attribution 4.0 International License
AAPT (2009). The Role, Education, Qualification, & Professional Development of Secondary School physics Teachers. Retrieved on December 25, 2011, from http: /WWW. aapt. org.
Farounbi M. (1998). Resource concentration, utilization and management correlates of students'. Learning outcomes: a study in school quality in Oyo State. University of Ibadan, Ibadan.
Gay L. R., Airasia P. (2000). Educational Research: Competences for Analysis and Application. (6thed. ). New Jersy: Prentice-Hall, Inc.
George R., Kaplan M. D. (1998). A structural model of parent and Teacher influences on students' attitudes of eight grades. Evidence from NELS: 88 Science, 82(1); 93-109.
Goddard R. D. (2003). Relational networks, social trust, and norms: A social capital perspective on students' chances of academic success. Educational Evaluations & Policy Analysis, 25; 59-74.
Hallinan Maureen T., Aage B. Sorensen. (1987). Ability Grouping and Sex Differences in Mathematics Achievement,. Sociology of Education, 60(2); 63-72.
Harb Nasri, El-Shaarwi Ahmed (July 2006). Factors Affecting Students' Performance,. MPRAPaper No. 1362.
Henderson A., Mapp K. (2002).
Mahathir M. (1991). The way forward. Paper presented to the Malaysian Business Council. Retrieved from: http: /vlib. unitarklj1. edu. my/htm/w2020. htm.
MoE (2002). Educational Organization and, Community Participation and Financial Guideline: Addis Abeba EMPDA, August.
MoE (2004). Continuous Professional Development. For school teachers. (A guideline). Addis Ababa, June.
Natriello Gary, Edward L. McDill (1986). Performance Standards, Student Effort on Homework and Academic Achievement., Sociology of Education, (59)1; 18-31.
Norhidayah Ali Kamaruzaman, Jusoff Syukriah Ali Najah, Salamt Mokhtar Azni Syafena Andin (20 December 2009). The Factors Influencing Students' Performance at Universiti Teknologi MARA Kedah, Malaysia,. Canadian Research & Development Center of Sciences and Cultures, 3(4).
OEB (2012). Education Statistics Annual Abstract. Finfinne Oromia: Oromia Education Bureau, May.
OREB (2007). Maanwallil Acleemasa Hoji Kenna Degarsa Ogummaa fi Hordoffii Barnootaa. Garee JBAH BBO; Finfinee.
Ornstain A. C., Hunkins (1998). Curriculum: Foundations, Principles and Issues, New Jersy: Prentice Hall.
Raychaudhuri A., Debnath M., Sen S., Majumder B. (2010). Factors Affecting Students'Academic Performance: A case Study in Agartala Municial Councle Area. Bangladidh: E-journal of Sociology, 2.
Rein Hartz J., Beach M. D. (1997). Teaching and Learning in the Elementary school: Focus on curriculum. New Jersey: Prentice Hall.
Roberts Kerry L., Sampson Paulinen M. (2011). School board member professional development and effect on student achievement. International Journal of Educational Management, 25(7); 701-713.
SMASEE (2012). Introducing Strengthening Mathematics and Science Education in Ethiopia (SMASEE) and monitoring and evaluation. Fabruary. Addis Ababa.
Staver John R. (2007. ) Teaching Science. France: Imprimerie Nouvelle Gonnet, 01300 Belley.
TGE (1994). Transitional Government of Ethiopia, Education and Training Policy, Addis Ababa.
Villegas-Reimers E. (2003). Teacher Professional Development: an International Review of the Literature UNESCO: International Institute for Educational Planning, IIEP's Print Shop.
Wittrock C. M. (1994). Generative Science Teaching. In Peter, J. F., Richard, F. G. & Richard, T. W. (Ed), the content of science: a constructivist approach to its teaching and learning. Hongkong: Graphicraft Type Setters Ltd.
Zewdu Gebrekidan (2010). Ethiopian National Assessment of Grade 10 and 12 students. National Agency for Examination. December, 2010, Addis Ababa, Ethiopia.
Abdulrahaman W. Lawal, International Letters of Social and Humanistic Sciences 3 (2014) 53-59.
Akor Isaiah Akem, Victor Tavershima Ukeli, International Letters of Social and Humanistic Sciences 4 (2014) 49-59.
Peace Ebele Ilechukwu Chukwbikem, International Letters of Social and Humanistic Sciences 8(1) (2014) 1-17.
Halima Sidi Bamall, International Letters of Social and Humanistic Sciences 8(1) (2014) 50-55.
Dennis Agama Eka, International Letters of Social and Humanistic Sciences 8(2) (2014) 170-182.
Hannatu Abdullahi, International Letters of Social and Humanistic Sciences 8(3) (2014) 217-223.
Fowoyo Joseph Taiwo, International Letters of Social and Humanistic Sciences 8(3) (2014) 244-251. ( Received 13 June 2014; accepted 24 June 2014 ).
 N. Andinet, M. Said, Y. Endris, W. Worku, A. Negasi, S. Abubekir, S. Genene, T. Tesfaye, M. Solomon, "Commenting on effective laboratory teaching in selected preparatory schools, North Shewa Zone, Ethiopia", Educational Research and Reviews, Vol. 13, p. 543, 2018DOI: https://doi.org/10.5897/ERR2015.2286