Table 2 Descriptive statistics of... | Emerald Publishing

Table 2

Descriptive statistics of academic writing performance across groups

Measure	N	M	SD	95% CI for mean	Min	Max
IELTS academic writing proficiency
Pretest	466	2.44	0.70	[2.37, 2.50]	1	4
Posttest	466	4.34	1.01	[4.25, 4.43]	2	8
Syntactic complexity
Pretest	466	1.77	0.66	[1.71, 1.83]	1	3
Posttest	466	4.64	1.40	[4.51, 4.77]	2	8
Readability
Pretest	466	40.35	4.33	[39.96, 40.75]	33	66
Posttest	466	73.41	9.78	[72.52, 74.30]	54	94
Academic standards in writing
Pretest	466	12.98	2.01	[12.80, 13.17]	10	19
Posttest	466	33.21	6.60	[32.61, 33.81]	18	50
Argumentation and persuasion
Pretest	466	26.88	5.37	[26.39, 27.36]	18	44
Posttest	466	66.85	12.09	[65.75, 67.95]	34	98

Measure	N	M	SD	95% CI for mean	Min	Max
IELTS academic writing proficiency
Pretest	466	2.44	0.70	[2.37, 2.50]	1	4
Posttest	466	4.34	1.01	[4.25, 4.43]	2	8
Syntactic complexity
Pretest	466	1.77	0.66	[1.71, 1.83]	1	3
Posttest	466	4.64	1.40	[4.51, 4.77]	2	8
Readability
Pretest	466	40.35	4.33	[39.96, 40.75]	33	66
Posttest	466	73.41	9.78	[72.52, 74.30]	54	94
Academic standards in writing
Pretest	466	12.98	2.01	[12.80, 13.17]	10	19
Posttest	466	33.21	6.60	[32.61, 33.81]	18	50
Argumentation and persuasion
Pretest	466	26.88	5.37	[26.39, 27.36]	18	44
Posttest	466	66.85	12.09	[65.75, 67.95]	34	98

Note(s): M = mean, SD = standard deviation, N = sample size, Min = minimum, Max = maximum, CI = confidence interval

Source(s): The author