@article{paperid:1022334, author = {Khodadady, Ebrahim}, title = {Factors Underlying Characteristics of Effective English Language Teachers: Validity and Sample Effect}, journal = {زبان شناسی کاربردی - Iranian Journal of Applied Linguistics}, year = {2010}, volume = {13}, number = {2}, month = {September}, issn = {1735-1634}, pages = {47--74}, numpages = {27}, keywords = {Factors; Sample Size and Adequacy; Inter-correlations; Teacher Characteristics; Cross Loading}, }