CHAPTER II LITERATURE REVIEW 13
2.1 Mathematical Communication Ability
13 2.2
Learning Motivation 17
2.3 Self-Concept
21 2.4
The Relevant Research 26
2.5 Conceptual Framework
26 2.5.1
The Relationship between between Student’s Learning Motivation and Student’s Mathematical Communication
Ability 26
2.5.2 The Relationship between Student’s Self-Concept and
Student’s Mathematical Communication Ability 28
2.5.3 The Relationship between Student’s Learning Motivation
and Self-Concept Altogether toward Student’s Mathematical
Communication Ability 29
2.6 Hypotheses of Research
30
CHAPTER III RESEARCH METHOD 32
3.1 Place and Time
3.2 Population and Sample
32 3.2.1
Population 32
3.2.2 Sample
32 3.3
Variable and Instrument of Research 33
3.3.1 Research Variable
33 3.3.1.1. Independent Variable
33 3.3.1.2. Dependent Variable
34 3.3.2
Research Instrument 34
3.3.2.1. Learning Motivation 34
3.3.2.2. Self-Concept 36
3.3.2.3. Mathematical Communication Ability 37
3.3.2.4. Instrument Trial 38
3.4 Design of Research
42
3.5 Technique of Collecting Data
43 3.6
Technique of Data Analysis 45
3.6.1 Data Description
45 3.6.2
Test of Research Variable Tend 45
3.6.3 Analysis Requirement Test
46 3.6.3.1. Normality Test
46 3.6.3.2. Simple Regression Equation
46 3.6.3.3. Linearity and Significancy Test of Simple Regression
Equation 47
3.6.3.4. Multiple Regression Equation 48
3.6.3.5. Linearity and Significancy of Multiple Regression Equation 49
3.6.4 Hypotheses Test
49 3.6.4.1. The First Hypotheses
49 3.6.4.2. The Second Hypotheses
50 3.6.4.3. The Third Hypotheses
51 3.6.5 Relative and Effective Contribution
53 3.6.5.1 Relative and Effective Contribution of X
1
53 3.6.5.1 Relative and Effective Contribution of X
2
53 3.6.6. Mean Absolute Eror
53
CHAPTER IV RESULT AND DISCUSSION 53
4.1 Research Data Description
53 4.1.1. Description of Learning Motivation
53 4.1.2. Description of Self-Concept
55 4.1.3 Description of Mathematical Communication Ability
56 4.2
Research Variable Tend 59
4.2.1. Tend Category of Learning Motivation 59
4.2.2. Tend Category of of Self-Concept 59
4.2.3 Tend Category of Mathematical Communication Ability 60
4.3 Analysis Requirement Test
60 4.3.1. Normality Test
60
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