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The purpose of this study is to evaluate the validation process of School Mathematics Content Test. The instrument was developed to assess final year pre-service mathematics teachers’ level of knowledge of secondary school mathematics subject matter, in Kano University, Nigeria. The validity of the instrument was established based on table of specification and panel of experts comment and suggestion on the quality and suitability of items of the instrument. The scale was revised and modified based on the comments and suggestion of panel of experts. Item content validity index (ICVI) and scale content validity index (S-CVI) was calculated based on panel of experts’ judgment on the quality of the items and coverage on contents areas to be explored. The content validity of the instrument yielded S-CVI/UA score of 1 and S-CVI/Ave score of 1.The results of the analysis has revealed that the instrument has excellent face and content validity, which depict the efficiency of the scale development process. Therefore, the instrument can be used as efficient and reliable instrument for measuring level of knowledge of secondary school mathematics subject matter in Nigeria.

international journal of academic research in business and social sciences

Evaluation of Validation Process of an Instrument for Measuring Pre-Service Mathematics Teachers’ Level of Knowledge of Secondary School Mathematics Subject Matter