writer can conclude how well it discriminates between the students who performed well from those who did poorly on the test as a whole.
C. Formulation of the Problem
Based on the limitation of the problem, the writer formulates the problem in this research as fo
llow: “Do the test items of English summative test which is administered
at the second grade of “SMPN 87” Pondok Pinang have a good discriminating power?”
D. Objective of the Study
The objective of this study is to measure the quality of English summative test and to know whether the English summative test items have a good
discriminating power or not. High quality of test items is prominent to diagnose the strengths and weaknesses of students. Thus, the findings of this study are
expected to provide useful information about the test items quality. It is hoped that analysis on discriminating power of English summative
test which will be done by the writer can give significant contribution in improving the quality of future English summative test items. It is also expected
that it can reveal the students who have achieved well in doing the test and they who have not, so the teacher is able to help the poor students.
E. Method of the Study
This study is categorized as descriptive analysis; because it is intended to describe the objective condition about the discriminating power of students’
summative test a odd semester of second grade of “SMPN 87” Pondok Pinang.
Besides, this study is called analysis, because it analyze how well the items of English summative test can discriminate between the students who have achieved
well and those who have achieved poorly. This study is considered as quantitative research, because the researcher used some numerical data which is analyzed
statistically.
F. Organization of the Writing
The writing systematically divided into five chapters, they are: Chapter one deals with the introduction. It consists of the background of
study, limitation and formulation of the problem, objective of the study, method of the study, significant of the study, and organization of the writing.
Chapter two discusses the theoretical framework. It is divided into two sections. The first section discusses about Test, definition of test, function of test,
types of test, types of test item, and character of good test. The second section discusses about item analysis, the definition of item analysis, discriminating
power and the importance of item analysis. Chapter three deals with the research methodology. It discusses about the
objective of study, place and time of study, technique of data collecting and technique of data analysis.
In Chapter four, the writer will focus on the research finding. The data description, data analysis and data interpretation are included in this section.
The last chapter, chapter five will talk about the conclusion and suggestion.
