A probe into discourse structure of english relative clauses of Iranian EFL learners’ reading and writing performance: Centering theory in focus

Figures & data

Table 1. Reliability analysis of the comprehension test

Different Taxonomy of RRCs and NRRCs	Cronbach’s Alpha
Relevance	.701
Continuative	.721
Subjectivity	.708
Identifying	.741
Classifying	.731

Table 2. Construct validity analysis of the comprehension test

Items	Classifying	Identifying	Subjectivity	Continuative	Relevance
1 2 3					0/531 0710 0/517
4 5				0/551 0/727
6 7 8 9			0/467 0/628 0/554 0/531
10		0/526
11 12					0/531 0/536
13 14 15		0/432 0/412 0/512
16	0/631
17 18 19	0/710 0/517 0/551
20		0/621

Table 3. Reliability analysis of the writing test

Different Taxonomy of RRCs and NRRCs	Cronbach’s Alpha
Relevance	.721
Continuative	.702
Subjectivity	.800
Identifying	.764
Classifying	.730

Table 4. Construct validity analysis of writing test

Items	Classifying	Identifying	Subjectivity	Continuative	Relevance
1 2		0/710 0/517
3	0/551
4				0/727
5				0/467
6 7 8					0/682 0/554 0/531
9 10 11			0/526 0/531 0/536
12					0/424
13			0/412
14 15				0/512 0/779
16		0/654
17		0/629
18 19 20	0/504 0/517 0/623

Table 5. Intra-rater reliability (writing test)

	First Scoring	Second scoring
First Scoring Pearson Correlation Sig. (2-tailed) N	1 200	707** .000 200
Second Scoring Pearson Correlation Sig. (2-tailed) N	.707** .000 200	1 200

**Correlation is significant at the 0.01 level (2-tailed)

Table 6. Inter-rater reliability (writing test)

	Grade 1	Grade2
Grade 1 Pearson Correlation Sig. (2-tailed) N	1 200	.993** .000 200
Grade 2 Pearson Correlation Sig. (2-tailed) N	.993** .000 200	1 200

**Correlation is significant at the 0.01 level (2-tailed).

Table 7. Chi-square test for RRCs and NRRCs

	N	Mean	Minimum	Maximum	Theoretical Median	Chi-Square	df	Asymp. Sig.
RRC	181	.6685	.13	1.00	0.5	69.298^a	7	.001
NRRC	181	.5990	.08	1.00	0.5	70.906^b	10	.001

The minimum expected cell frequency is 16.5.

Table 8. Chi-square test for identifying and classifying relative clauses

	N	Mean	Minimum	Maximum	Theoretical Median	Chi-Square	df	Asymp. Sig.
Identifying	191	.6767	.00	1.00	0.5	72.586^a	4	.001
Classifying	191	.6545	.00	1.00	0.5	44.00	4	.001

a. 0 cells (0.0%) have expected frequencies less than 5. The minimum expected cell frequency is 38.2.

Table 9. Chi-square test for relevance, continuative, and subjectivity

	N	Mean	Minimum	Maximum	Theoretical Median	Chi-Square	df	Asymp. Sig.
Relevance	183	.5202	.00	1.00	0.5	74.022^a	4	.001
Continuative	183	.6648	.00	1.00	0.5	51.645^b	3
Subjectivity	183	.6393	.00	1.00	0.5	40.197^a	4	.001

a. 0 cells (0.0%) have expected frequencies less than 5. The minimum expected cell frequency is 36.6.

b. 0 cells (0.0%) have expected frequencies less than 5. The minimum expected cell frequency is 45.8.