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The instrument targets students with aptitude for Physics and is presented as an instrumentation study. A sample of 200 students was selected using stratified random sampling. Validity was examined through face and content measures, item analysis, and reliability using Kuder Richardson formula 20. Results show adequate validity, 50 items, appropriate difficulty and discrimination indices, and a reliability coefficient of 0.94.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/construction-and-validation-of-physics-aptitude-test-as-an-assessment-tool-for-senior-secondary-school-students-abstract/289741/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/construction-and-validation-of-physics-aptitude-test-as-an-assessment-tool-for-senior-secondary-school-students-abstract/289741.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-17",true,{"@type":102,"interactionType":103,"userInteractionCount":44},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What was the main purpose of the study?","Question",{"text":112,"@type":113},"To construct and validate a Physics Aptitude Test (PAT) for senior secondary schools for assessing students’ aptitude for Physics.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How many students were sampled and how were they selected?",{"text":117,"@type":113},"A sample of 200 students was randomly selected using stratified random sampling.",{"name":119,"@type":110,"acceptedAnswer":120},"How was the PAT validated and its reliability determined?",{"text":121,"@type":113},"Validity was assessed through face and content validity and item validity via item analysis, while reliability was estimated using the Kuder Richardson formula 20, yielding a coefficient of 0.94.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},289741,1789636812,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":44,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},1099514068035,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Construction and Validation of Physics Aptitude Test as an Assessment Tool for Senior Secondary School Students  \nPatrick Uzo Osadebe1, *, Chukuka Prince Nwabeze1  \n1 Department of Guidance and Counselling, Delta State University, Abraka, Nigeria  \nAbstract: The purpose of the study was to construct and validate a Physics Aptitude Test (PAT) for senior secondary schools. The test was designed primarily as an assessment tool for senior secondary school students who have aptitude for Physics. Four research questions guided the study. It was an instrumentation study designed to produce an assessment tool for senior secondary school students. A sample of 200 students was randomly selected through stratified random sampling technique. The data collected were analysed to determine the validity of the test, item validity through item analysis and reliability of the Physics Aptitude Test. The findings revealed that the Physics Aptitude Test (PAT) has adequate face and content validities. It is made up of 50 items. The difficulty and Discrimination indices were appropriate because they are within the standard range of indices for the test. Difficulty indices range from 0.30 to 0.70, Discrimination indices range from.30 to 0.44. A reliability coefficient of 0.94 was obtained through Kuder Richardson formula 20 as a measure of internal consistency. Since the Physics Aptitude Test (PAT) was highly valid and reliable, it was recommended that it should always be used as an assessment tool for determining the aptitude of senior secondary school students in Physics.  \nARTICLE HISTORY  \nReceived: 26 March 2018  \nRevised: 13 May 2018  \nAccepted: 29 May 2018  \nKEYWORDS  \nConstruction, Validation, Physics, Aptitude Test  \n1. INTRODUCTION  \nEducation in Nigeria, before the coming of Western Education was mostly oral and informal. Assessment of the informal or traditional education was mainly oral. Written test or formal examination had no place in the evaluation (Ohuche & Akeju, 1988) . The advent of Western education in Nigeria gave birth to formalized mode of testing and examination in the educational system. These examinations are in two forms, internal and external examinations. The internal examinations are test items that are designed and administered within the school such as terminal examinations, promotion examinations and so on, while the external examinations are those examinations conducted by public examination bodies which are external to the students for the purpose of certification, placement, and job opportunities. Some of these bodies include the West African Examination Council (WEAC), State Ministry of  \nCONTACT: Patrick. U. Osadebe 􀀍 [drosadebeuzo@gmail.com](drosadebeuzo@gmail.com) 􀁽 P. O. BOX 71, ABRAKA, DELTA STATE,  \nNIGERIA  \nISSN-e: 2148-7456 /© IJATE 2018  \n461  \nEducation, Joint Admission and Matriculations Board (JAMB), National Examination Council of Nigeria (NECO) .  \nAccording to Egbule (2002), the term test connotes a common set of tasks or a presentation of a standard set of questions to be answered. Based on the answers provided to the series of questions we obtain a measure that is subject to evaluation. Therefore, a test can be defined as any kind of procedure or device for measuring aptitude, interest, ability, achievement and any other traits or personal attributes.  \nA test as a set of questions, problems, puzzles, symbols and exercise used to determine a person`s ability, aptitude, knowledge qualification, interest and level of social adjustment. Thus, when you can measure what you are speaking about and express it in numbers, you know something about it; but when you cannot measure it and you cannot express it in numbers, your knowledge about it is of a meagre and an unsatisfactory kind.  \nSimilarly, a test is a sample measure of behaviour from which inferences may be made toa universe of behaviour. This implies that the purpose of most tests is to measure a sample of behaviour. To attempt to measure the e","cbCaikJzyQjeialG","https://ap.wps.com/l/cbCaikJzyQjeialG","pdf",1257682,13,"English","# Introduction\n## Review of Literature","[{\"question\":\"What was the main purpose of the study?\",\"answer\":\"To construct and validate a Physics Aptitude Test (PAT) for senior secondary schools for assessing students’ aptitude for Physics.\"},{\"question\":\"How many students were sampled and how were they selected?\",\"answer\":\"A sample of 200 students was randomly selected using stratified random sampling.\"},{\"question\":\"How was the PAT validated and its reliability determined?\",\"answer\":\"Validity was assessed through face and content validity and item validity via item analysis, while reliability was estimated using the Kuder Richardson formula 20, yielding a coefficient of 0.94.\"}]","Construction and Validation of Physics Aptitude Test as an Assessment Tool for Senior Secondary School Students - Abstract | PDF",33]