{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/68899"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/68899","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"The Effects of an Experimental Curriculum Development Project in Statistics on The Achievement and Attitude of Tenth Grade Students in Liberia","abstract":"Problem. Mathematics has always been accorded a prominent position in the secondary schools of Liberia. Certain problems, however, tend to hinder the effective teaching and learning of this subject. One of these problems is the availability of appropriate curricular materials and products and the assessment of their efficacy on student outcomes. This research was conducted to address this problem.","abstract_html":"Problem. Mathematics has always been accorded a prominent position in the secondary schools of Liberia. Certain problems, however, tend to hinder the effective teaching and learning of this subject. One of these problems is the availability of appropriate curricular materials and products and the assessment of their efficacy on student outcomes. This research was conducted to address this problem.","abstract_has_math":false,"creators":["Cleon, Joshua D."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Education","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1983,"date_issued":"1983","date_published":"1983","updated_at":"2026-07-22T22:25:59Z","subjects":["Education, Mathematics"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8409897"],"render_values":[{"text":"(UMI)AAI8409897","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/68899","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Cleon, Joshua D."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1983","2014-12-15T18:49:46Z","10000-01-01"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Education"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Education, Mathematics"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/68899","(UMI)AAI8409897"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Problem. Mathematics has always been accorded a prominent position in the secondary schools of Liberia. Certain problems, however, tend to hinder the effective teaching and learning of this subject. One of these problems is the availability of appropriate curricular materials and products and the assessment of their efficacy on student outcomes. This research was conducted to address this problem.","Purpose of Study. To assess the teachability of statistics in Liberian Schools by investigating the effects of an exprimental project in statistics on the achievement and attitude of tenth graders in Liberia.","Procedures. Eight teachers and 339 students of 11 classes in Liberian Schools participated in the study. Students took a statistics achievement test before and after they were taught from curricular materials in statistics and an attitude inventory at the end of the study.","Effect sizes and learning indices (loss, retentivity, and gain indices) were computed to assess learning outcomes. Canonical analysis was used to determine the interrelatedness of independent and dependent variables. Regression Analysis was used to predict posttest scores on statistics. Attitudinal items were analyzed by clustering and ranking responses.","Findings. (1) Students showed a 2.77 standard deviation unit superiority of performance on posttest than on pretest total scores. (2) Students generally expressed positive attitudes towards teaching and learning statistics. (3) Junior High School Mathematics Average, Years Student Intends to Study Mathematics, and Pretest Scores were found to be predictors of posttest scores in Statistics.","Conclusions. (1) Use of the curricular materials which were developed tended to improve students' knowledge of statistics and develop in them positive attitudes towards teaching and learning statistics. (2) Statistics is teachable to tenth graders in Liberia.","Made available in DSpace on 2014-12-15T18:49:46Z (GMT). No. of bitstreams: 1 8409897.pdf: 7568059 bytes, checksum: bbacbd0e598b6db7f974e3f877d54597 (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69065 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","312 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."]},{"key":"dc:title","label":"Title","values":["The Effects of an Experimental Curriculum Development Project in Statistics on The Achievement and Attitude of Tenth Grade Students in Liberia"]}]}],"canonical_facts":{"dc:creator":["Cleon, Joshua D."],"dc:date":["1983","2014-12-15T18:49:46Z","10000-01-01"],"dc:description":["Problem. Mathematics has always been accorded a prominent position in the secondary schools of Liberia. Certain problems, however, tend to hinder the effective teaching and learning of this subject. One of these problems is the availability of appropriate curricular materials and products and the assessment of their efficacy on student outcomes. This research was conducted to address this problem.","Purpose of Study. To assess the teachability of statistics in Liberian Schools by investigating the effects of an exprimental project in statistics on the achievement and attitude of tenth graders in Liberia.","Procedures. Eight teachers and 339 students of 11 classes in Liberian Schools participated in the study. Students took a statistics achievement test before and after they were taught from curricular materials in statistics and an attitude inventory at the end of the study.","Effect sizes and learning indices (loss, retentivity, and gain indices) were computed to assess learning outcomes. Canonical analysis was used to determine the interrelatedness of independent and dependent variables. Regression Analysis was used to predict posttest scores on statistics. Attitudinal items were analyzed by clustering and ranking responses.","Findings. (1) Students showed a 2.77 standard deviation unit superiority of performance on posttest than on pretest total scores. (2) Students generally expressed positive attitudes towards teaching and learning statistics. (3) Junior High School Mathematics Average, Years Student Intends to Study Mathematics, and Pretest Scores were found to be predictors of posttest scores in Statistics.","Conclusions. (1) Use of the curricular materials which were developed tended to improve students' knowledge of statistics and develop in them positive attitudes towards teaching and learning statistics. (2) Statistics is teachable to tenth graders in Liberia.","Made available in DSpace on 2014-12-15T18:49:46Z (GMT). No. of bitstreams: 1 8409897.pdf: 7568059 bytes, checksum: bbacbd0e598b6db7f974e3f877d54597 (MD5) Previous issue date: 1983","Embargo set by: Seth Robbins for item 69065 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","312 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1983."],"dc:identifier":["http://hdl.handle.net/2142/68899","(UMI)AAI8409897"],"dc:subject":["Education, Mathematics"],"dc:title":["The Effects of an Experimental Curriculum Development Project in Statistics on The Achievement and Attitude of Tenth Grade Students in Liberia"],"dc:type":["text"],"thesis:degree_discipline":["Education"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:59Z"}