Kasper G. and Schmidt R., Developmental issues in interlanguage pragmatics, Studies in Second Language Acquisition,Vol.18, 1996, pp.149-169.  Kasper G. and Rose K.R., Pragmatic Development in a Second Language, Malden, MA: Blackwell Publishers, 2002.  Canale M., from communicative competence to communicative language pedagogy, in: Richards J.C. and Schmidt R., (Eds.), Language and Communication, New York, Longman, 1983, pp.2–27.  Bachman L.F., Fundamental Considerations in Language Testing, Oxford: Oxford University Press, 1990.  Celce-Murcia M., Dornyei Z. and Thurrell S., Communicative competence: A pedagogically motivated framework with content specifications, Issues in Applied Linguistics, Vol.6, 1995, pp.5– 35.  Campillo P.S., Examining mitigation in requests: A focus on transcripts in ELT coursebooks, in: Alcon E., Pilar M. and Safont J., (Eds.), Intercultural language use and language learning, Dordrecht, the Netherlands, Springer, 2007, pp.207–222.  Schmidt R., The role of consciousness in second language learning, Applied Linguistics, Vol.11, 1990, pp.129–158.  Schmidt R., Consciousness and foreign language learning: A tutorial on the role of attention and awareness in learning, in: Schmidt R., (Ed.), Attention and Awareness in Foreign Language Learning, Honolulu, Hawaii, University of Hawaii, Second Language Teaching and Curriculum Center, 1995.  Cenoz J., The acquisition of pragmatic competence and multilingualism in foreign language contexts, in: Alcon E., Pilar M. and Safont J., (Eds.), Intercultural language use and language learning, Dordrecht, the Netherlands, Springer, 2007, pp.123-140.  Searle J.R., Expression and Meaning: Studies in the Theory of Speech Acts, Cambridge, Cambridge University Press, 1979.  Schmidt R. and Frota S., Developing basic conversational ability in a second language, A case study of an adult learner of Portuguese, in: Day R., (Ed.), Talking to learn: Conversation in second language acquisition, Rowley, MA, Newbury House, 1986, pp.237-326.  Ellis R., SLA Research and Language Teaching, Oxford, Oxford University Press, 1997.  Robinson P., Individual differences and the fundamental similarity of implicit and explicit adult second language learning, Language Learning, Vol.47, 1997, pp.45–99.  Robinson P., Effects of individual differences in intelligence, aptitude and workingmemory on adult incidental SLA, in: Robinson P., (Ed.), Individual Differences and Instructed Language Learning, Amsterdam, John Benjamins, 2002, pp.211-266.  Faerch C. and Kasper G., Internal and external modification in interlanguage request realization, in: Blum-Kulka S., House J. and Kasper G., (Eds.), Cross-Cultural Pragmatics: Requests and Apologies, Norwood, NJ, Ablex, 1989, pp.221–247.  Takahashi S., The role of input enhancement in developing pragmatic competence, in: Rose K. and Kasper G., (Eds.), Pragmatics in Language Teaching, Cambridge University Press, Cambridge, MA, 2001, pp.171–199.  Blum-Kulka S., Indirectness and politeness in requests: Same or different? Journal of Pragmatics, Vol.11, 1987, pp.131-146.  Takahashi S. and Dufon M., Cross-linguistic influence in indirectness: The case of English directives performed by native Japanese speakers, ERIC Document Reproduction, 1989.  Ellis R., Learning to communicate in the classroom: A study of two language learners’ requests, Studies in Second Language Acquisition, Vol.14, 1992, pp.1-23.  Kasper G. and Rose K.R., Pragmatics and second language acquisition, Annual Review of Applied Linguistics, Vol.19, 1999, pp.81-104.  Leow R.P., Attention, awareness, and foreign language behavior, Language Learning, Vol.47, 1997, pp.467–505.  Leow R.P., A study of the role of awareness in foreign language behavior: Aware versus unaware learners, Studies in Second Language Acquisition, Vol.22, 2000, pp.557-584.  Rosa E. and O’Neill M., Explicitness, intake, and the issue of awareness: another piece to the The Pragmatic Instruction Effects on … 173 Journal of Technology & Education, Vol. 5, No.3, Spring 2011 puzzle, Studies in Second Language Acquisition, Vol.21, 1999, pp.511–556.  Mizuno K., Interlanguage pragmatics in requests: Focusing on directness and perspective, Papers on Language and Culture, Vol.18, 1996, pp.57-71.  Kawamura Y. and Sato K., The acquisition of request realization in EFL learners, JACET Bulletin, Vol.27, 1996, pp.69-86.  Kobayashi H. and Rinnert C., Requestive hints in Japanese and English, Journal of Pragmatics, Vol.31, 1999, pp.1173-1201.  Richards J.C., New Interchange: Student’s book (3rd ed.), Cambridge, Cambridge University Press, 2005.  Gass S., Svetics I. and Lemelin S., Differential effects of attention, Language Learning, Vol.53, 2003, pp.497-545.  Takahashi S., Pragmalinguistic awareness: is it related to motivation and proficiency? Applied Linguistics, Vol.26, 2005, pp.90-120.