Assessing Iranian EFL teachers’ educational performance based on gender and years of teaching experience

Language Testing in Asia

Table 3 Central and distribution indices of questionnaires variables

Descriptive statistics
	N	Mean	Std. deviation	Minimum	Maximum	Skewness	Kurtosis
Listening	150	21.19	2.68	12	25	−0.48	0.39
Speaking	150	25.19	3.31	14	30	−0.44	−0.06
Reading	150	17.03	2.47	7	20	−0.84	0.91
Writing	150	17.15	2.23	10	20	−0.67	0.06
Vocabulary	150	21.01	3.10	11	25	−0.64	0.09
Grammar	150	16.61	2.48	8	20	−0.67	0.32
Designing and performing instruction	150	87.78	11.92	47	105	−0.72	0.26
Assessment	150	33.33	4.84	17	40	−0.64	0.39
Familiarity of students	150	29.23	4.03	18	35	−0.33	−0.44
Content knowledge	150	20.83	3.02	15	25	−0.26	−0.88
Classroom management	150	34.52	3.93	21	40	−0.54	−0.03
Professional development	150	323.87	37.14	209	385	−0.58	0.02
Valid N	150