Effect of reading comprehension instruction enriched with cultural materials on English learning

Figures & data

Figure 1. Line chart showing changes in means of pretest, post-test and retention test scores of the experimental group and the control group

Table 1. Two-way analysis of variance of pretest, post-test and retention test scores for vocabulary knowledge

Source	Sum of squares	df	Mean square	F	p
Between groups	17,497.689	59
Group (experimental/control)	1754.689	1	1754.689	6.464	.014
Error	15,743.289	58	271.436
Within groups	3878	60
Measurement (pretest/post-test/retention test)	1428.300	1	1428.300	42.764	.000
Group × measurement	512.533	1	512.533	15.346	.000
Error	1937.167	58	33.399
Total	21,375.689	119

Figure 2. Line chart showing changes in means of pretest and post-test scores of the experimental group and the control group

Table 2. Two-way analysis of variance of pretest and post-test scores for attitudes towards English lessons

Source	Sum of squares	df	Mean square	F	p
Between groups	59,820.091	59
Group (experimental/control)	880.208	1	880.208	0.866	.015
Error	58,939.883	58	1016.205
Within groups	20,091.5	60
Measurement (pretest/post-test/retention test)	1533.675	1	1533.675	7.322	.009
Group × measurement	6409.408	1	6409.408	30.600	.000
Error	12,148.417	58	209.455
Total	79,911.591	119