A Test to measure achievement in quantitative economics among secondary school students was developed and validated in this study. The test is made up 20 multiple choice test items constructed based on quantitative economics sub-skills. Six research questions guided the study. Preliminary validation was done by two experienced teachers in secondary school economics and one expert in test construction. The pilot testing was conducted to ensure compatibility of the test items while test try-out on 515 students yielded the data for item analysis. Analysis were attained through SPSS and Bilog MG using Item Response Theory (IRT) three-parameter logistic model (3PL) to establish item difficulty, item discrimination, and the guessing value. The empirical reliability of the test was 0.86. The test was found to be of good quality, valid and highly reliable. The test is ready and can now be used to assess students' achievement in quantitative economics in Nigeria and other countries.
Empirically investigated in this study is the effect feedback with remediation has on academic achievement in quantitative economics among students’ of secondary school. The design of the study was quasi experimental. 164 Senior Secondary 3 (SS3) students offering economics in the three co-educational schools consisted of the study sample. The three schools were purposely selected from Nnewi Education Zone of Anambra State in Nigeria and allocated to 2 experimental groups and 1 control group. Students’ responses to two instruments titled Diagnostic Quantitative Economics Skill Test (DQEST) and Test of Achievement in Quantitative Economics (TAQE) constituted relevant data used in the study. ANCOVA was used for data analysis. Results show that feedback with remediation has a significant effect in enhancing students’ achievement in quantitative economics. Nevertheless, gender and treatments did not interact to influence achievement in quantitative economics. Teachers need to focus not just on continuous testing but going further to assist students using feedback with remediation on any type of test given to them.
As a result of increasing complexity of assessing all aspects of human behaviours, a lot of data are generated on individual learner and from teachers and the system. What qualifies as big data in assessment in Nigeria? This research identifies the sources of assessment big data in Nigeria, investigates how the big data are generated and processed, and identifies the problems of generating and processing assessment big data in Nigeria. Through purposive sampling technique forty-five experts in education assessment and research were selected. The instruments for data collection were interview and documents. The data collected were analysed using descriptive statistics to answer the five research questions that guided the research. The results of the investigation showed that the internal and external examinations and assessments from secondary schools, and course work results in universities were identified by more than 95.5% of the experts interviewed as the major sources of assessment data in Nigeria. The major problem in generating and processing assessment big data from the experts’ opinions is low awareness on the need/advantages of assessment big data with the highest mean rating (4.29±0.76). Many data are not analysed and a lot of information are lost. Recommendation was made amongst others on the need for the stakeholders to create awareness on the importance of big data in the modern education system to improve learner’s performance.
A diagnostic test in economics to aid the teachers determine student's specific weak content areas was developed and validated. Five research questions guided the study. Preliminary validation was done by two experienced teachers in the content area of secondary economics and two experts in test construction. The pilot testing was conducted for grammatical checking and compatibility bench marking while the test was try-out tested for item analysis. The overall number of test items was 83. The test difficulty indices ranged from 0.24 to 0.79 and discrimination indices were within 0.22 to 0.65. The content validity index for the 83 items was 0.76 and the Kappa statistic reliability value of the test was 0.83. The test was found to be of good quality, valid and highly reliable. The test is therefore recommended for identifying specific mastered and least learned content areas in economics in Nigeria, South Africa and other countries with emerging economies.
The study developed and standardized an Inventory for measuring Students' Integration into University Academic Culture named Inventory for Students' Integration into University Academic Culture (ISIUAC). The increase in dropout rates, substance use, cultism and other deviant behaviours in Nigerian universities makes it necessary for one to ask the extent to which university students are integrated into the university academic culture. This necessitates the development of standardized instrument for the assessment of students' integration into university academic culture. The Study employed an instrumentation design in which a five point scale inventory were developed and standardized. An initial draft of 60 item instrument was developed and standardized. After corrections a 58 item instrument emerged and was administered to 500 University students. The data collected were subjected to factor analysis. The result from factor analysis showed that 27 items loaded well on three factors with minimum loading of 035. The 27 items were administered to 1,000 students to establish norms. The norm for the entire instrument was 105.19, the norms of male and female students were 100.96 and 109.21 respectively. Cronbach alpha statistics was used to establish the reliability of the instrument, its result shows an internal consistency of 0.926 for the 27 items. Hypotheses were tested using t-test statistics; the result shows that there is a significant difference between the norms of male and female students. The manual of the ISIUAC shows the administration and scoring procedure of the inventory and its psychometric properties. The instrument ISIUAC is recommended therefore for assessing students' integration into the university academic culture.
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