In this study the validity of the instruments was

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questionnaires. In this study, the validity of the instruments was calculated by using the Content Validity Index formulae. Instruments were determined to be valid by considering whether they gave information on Teacher Appraisal policy. To ensure the reliability of instruments, a pilot study was conducted. Yaseen (2015) notes that a pilot study is a small scale preliminary study carried out to evaluate feasibility in an effort to improve upon the study design before the performance of a full-scale one. The pilot study involved county Staffing Officer, 18 Principals, and 18 Deputy Principals 15 teachers from the County who were consequently not used in the study. 2.4 Data collection& Analysis The researcher obtained Ethics clearance from National Council of Science and Technology (NACOSTI) and County Director of Education and TSC-County Director through Director Board of Postgraduate Studies Jaramogi Oginga Odinga University of Science and Technology. The researcher made three trips to the respective schools, first visit school was an introduction, and familiarization to explain what the study was about, and the second was to distribute questionnaires. It took about 30 minutes to fill in the questionnaires after which the researcher collected them himself. The research analyzed quantitative data using descriptive statistics such as percentages and frequencies, inferential statistics for instance such as Pearson correlation. Besides, the research also used linear regression for analysis. 3. Results and Discussion The study investigated the influence of teacher performance appraisal on effectiveness in curriculum evaluation. This objective was investigated by use inferential statistics, where the null hypothesis was tested. H 0 2: There is no statistically significant influence of teacher performance appraisal on effectiveness in curriculum evaluation. Brought to you by | Kenyatta University Authenticated Download Date | 10/13/18 4:19 PM
E-ISSN 2281-4612 ISSN 2281-3993 Academic Journal of Interdisciplinary Studies Vol 6 No 3 November 2017 81 In testing whether the impact of implementation of teacher performance appraisal policy on curriculum evaluation was statistically significant or not, a bivariate Pearson's Product-Moment Coefficient of correlation was calculated. The SPSS results output shown in Table 1.0 indicates that there was indeed a significant relationship between the variables. Table 1.0: Correlation between Implementation of TPA policy and Effective Curriculum Evaluation Curriculum Evaluation TPA policy Pearson Correlation .726 * Sig. (2-tailed) .000 N 318 *. Correlation is significant at the 0.05 level (2-tailed). The results in Table 1.0 show a strong and positive significant influence of implementation of teacher performance appraisal policy on curriculum evaluation in public secondary schools. The relationship was significant as signified by the calculated p-value of .000 which was less than the p- value of .05. Therefore, the null hypothesis which stated that “ there is no statistically significant influence of teacher performance appraisal on curriculum evaluation by teachers in public schools,’’ was rejected. Consequently, the alternate hypothesis was accepted. Hence, it was concluded that

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