1-2 Introduction. 3

 

 

1-3 Statement of problem.. 7

 

 

1-4 Research questions. 7

 

 

1-5 Research hypotheses. 7

 

 

1-6 Significance of the study. 8

 

 

1-7 Definitions of technical terms. 8

 

 

 

 

2-1 Overview.. 11

 

 

2-2 Iranian Studies. 11

 

 

2-3 Foreign Studies. 13

 

 

2-4 Theoretical base of the study. 18

 

 

2-5Categories of Suffixes. 20

 

 

2-5-1 Non-neutral (Strong) suffixes. 21

 

 

2-5-2 Neutral suffixes. 22

 

 

2-6 Derivation in lexical morphology. 23

 

 

 

 

3-1 overview.. 29

 

 

3-2 Research questions. 29

 

 

3-3 Research design. 29

 

 

3-4 Participants. 30

 

 

3-5 Instruments. 31

 

 

3-5-1 Questionnaire. 32

 

 

3-5-2 Reliability and Validity. 32

 

 

3-6 Data collection procedures. 32

 

 

3-7 Data analysis. 33

 

 

 

 

 

 

4-1 overview.. 35

 

 

 

4-2 Demographic information. 35

 

 

4-3 Descriptive statistics. 36

 

 

4-3-1 The frequency of the answers to the pronunciation questions. 37

 

 

4-3-2 The frequency of the answers to the pronunciation questions based on gender 38

 

 

4-3-3 The frequency of the answers to the pronunciation questions based on academic degree. 40

 

 

4-3-4 The frequency of the answers to the pronunciation questions based on the place of teaching English. 42

 

 

4-3-5 The frequency of the answers to the pronunciation questions based on teaching experience. 44

 

 

4-4 Investigating research hypotheses by using inferential statistics. 46

 

 

4-4-1 First Hypothesis: 47

 

 

4-4-2 Second Hypothesis: 47

 

 

4-4-3 Third Hypothesis: 48

 

 

4-4-4 Fourth Hypothesis: 49

 

 

4-5 Discussion. 50

 

 

 

 

5-1 overview.. 52

 

 

5-2 Summary. 53

 

 

5-3 conclusion. 54

 

 

5-4 Implications. 55

 

 

5-5 limitations of the study. 55

 

 

5-6 Suggestions for further studies. 56

 

 

Appendix. 57

 

 

Reference. 68

 

 

 

List of Tables

 

 

Table 3-1 Background information about participants of the study. 30

 

 

Table 4-1 Background information about participants of the study. 36

 

 

Table 4-2 The frequency of the answers to the pronunciation questions. 37

 

 

Table 4-3 The frequency of the answers to the pronunciation questions based on gender 39

 

 

Table 4-4 The frequency of the answers to the pronunciation questions based on academic degree. 41

 

 

Table 4-5 The frequency of the answers to the pronunciation questions based on the place of teaching English. 43

 

 

Table 4-6 The frequency of the answers to the pronunciation questions based on teaching experience. 45

 

 

Table 4-7 The results obtained by applying Man-whitney U Test 47

 

 

Table 4-8 The results obtained by applying Man-whitney U Test 48

 

 

Table 4-9 The results obtained by applying Man-whitney U Test 48

 

 

Table 4-10 The results obtained by applying Kruskal–Wallis Test 49

 

List of Figures

 

 

Figure 3-1 Background information about participants of the study. 31

 

 

Figure 4-1 The frequency of the answers to the pronunciation questions. 38

 

 

Figure 4-2 The frequency of the answers to the pronunciation questions based on gender 40

 

 

Figure 4-3 The frequency of the answers to the pronunciation questions based on academic degree. 42

 

 

Figure 4-4 The frequency of the answers to the pronunciation questions based on the place of teaching English. 44

 

 

Figure 4-5 The frequency of the answers to the pronunciation questions based on teaching experience. 46

 

Abstract