conventional CHAPTER validity LITERATURE figure PRELIMINARY relevant objective background iii model sample RME understanding problem benefit description METHOD III inferential education observation population test authentication step DISCUSSIONS formulation reliability table result collection descriptive REFERENCES try page preface cube analysi RESEARCH theory learning research ability viii time framework geometry IV data limitation support discussion quantitative content list out design mathematic instrument conceptual statistic approach concept mathematical appendix conclusion vii variable technique sheet CONCLUSION identification realistic RESULTS cuboid suggestion CONTENTS characteristic defenition abstract operational place hypothesi biography II