This study aims at improving students’ achievement in reading comprehension applying The Concept Attainment Model by conducting classroom action research. The subjects of this research the first semester students Majoring in Economics from Yayasan Universitas Labuhan Batu Rantauprapat. The number of the students was 20 students. There were two kinds of data collected during the study, quantitative and qualitative data. The instrument for collecting the quantitative data was objective test of reading comprehension, while the instruments for qualitative data were gathered through observation sheet, diary notes and check list. Based on the data analysis, the mean of the students score in pre-test 51, in cycle I was 61.75, and in cycle II was 80.50. The conclusion is that The Students Concept Attainment Model can improve the students’ achievement in reading comprehension.

Ahmet et al. 2012. A Comparative Study of Effectiveness of Concept Attainment Model

and Traditional Method in Teaching of English in Teacher Education Course. Vol 12:

March 2012, ISSN 1930-2940. www. Langugeindia. Com.

Edgen, D. P., Donal P, Kauchak & Robert J. H. 1979. Strategies for Teacher. United States

of America.

Hornby, A. S. 1994. Oxford Advanced Learner’s Dictionary. New York: Oxford University

Press.

Grabe, william and Stoller, Fredricka L. 2002. Teaching and Researching Reading. England:

Pearson Education.

Joyce, B & Weil, M. 1980. Models of Teaching. Second Edition. United States of America.

Joyce, B & Weil, M. 1995. Models of Teaching. United States of America.

Joyce, B & Weil, M. Models of Teaching. United States of America.

Martomidjojo, R. 2009. Model Pembelajaran Concept Attainment.

http://russamsimartomidjojocentre.blogspot.com/2009/03/model-pembelajaranconcept-attainment.html. Accessed on Nopember 15, 2018.

Panjaitan, Evalina.2010. Improving Students’ Vocabulary Achievement Through Anagram.

Un publish. University Of Medan: Medan.

Rice, Melinda. 2009. Reading Comprehension Skills and Strategies.

http://eps.schoolspecialty.com/downloads/research_papers/mc_research.pdf. accessed

on Nopember 15, 2018.

Sapra, R. 2011. Concept Formation. Volume 2. Issue 4. http://karyailmiah.um.ac.id/index.php/KSDP/article/view/8054. accessed on Nopember 15, 2018.

Talkmitt, S. 2008. Teaching Strategies. Texas Tech University T- STEM

Center/CISERCAST.http://olc.spsd.sk.ca/de/pd/instr/strats/cattain/index.html.

Accessed on Nopember 20, 2018.

Utatri, Ayu.2011. Improving Students’ Vocabulary Mastery Through Memory Strategy. Un

publish. University Of Medan: Medan.

Wallace, M.J. 1998. Action Research for Language Teachers. Cambridge:

Cambridge University Press