References
Abdollahnejad, E., & Marefat, H. (2018). Relative clauses in Persian: A small-scale corpus study. Lingvisticae Investigationes 40(2), 135-149.
Alizadeh, A., & Khaleghizadeh, S. (2015). Using relative clauses of subject-subject and subject-object: Comparison of the writings of Arab-speaking Persian learners in intermediate and advanced level. Journal of Teaching Persian to Speakers of Other Languages, 4(9), 59-78 [In Persian].
Azmude, H., Amuzade, M., & Rezaei, V. (2017). A study of relative clause extraposition in Persian based on discourse grammar. Journal of Language Research, 9(24), 59-85 [In Persian].
Bahrami, K. (2016). Comparison of Persian and German restrictive and nonrestrictive relative clauses. Language Related Researches, 7(2), 19-32 [In Persian].
Bresnan, J. (1973). Headless relatives. In H. V. Riemsdijk (Ed.), Free relatives (pp. 23-46). Oxford: Blackwell.
Bresnan, J., & Grimshaw, J. (1978). The syntax of free relatives in English. Linguistic Inquiry, 9(3), 331-391.
Brown, H. D. (2007). Principles of language learning and teaching. New York, NY: Pearson Education.
Bettoni, C., & Di Biase, B. (2015). Processability theory: Theoretical bases and universal schedules. In C. Bettoni, & B. Di Biase, (Eds.), Grammatical development in second languages: Exploring the boundaries of processability theory (pp. 19–80). Amsterdam: Eurosla.
Clahsen, H. (1984). The acquisition of German word order: A test case for cognitive approaches to L2 development. In R. Andersen (Ed.), Second languages: A crosslinguistic perspective (pp. 219-242). Rowley, MA: Newbury House.
Clark, H. H., & Clark, E. V. (1978). Universals, relativity and language processing. In J. Greenberg, C. A. Ferguson, & E. A. Moravcsik (Eds.), Universals of human language (pp. 225-77). Stanford, CA: Stanford University Press.
Comrie, B. (1996). Language universals and linguistic typology: Syntax and morphology. Oxford: Blackwell.
Crystal, D. (1992). An encyclopedic dictionary of language and languages. Oxford: Blackwell.
Dabir-Moghaddam, M. (1999). Theoretical linguistics: Emergence and development of general grammar. Tehran: Sokhan Publication [In Persian].
Eckman, F. R. (1977). Markedness and the contrastive analysis hypothesis. Language Learning, 27(2), 315-330.
Eckman, F. R. (1985). Some theoretical and pedagogical implications of the markedness differential hypothesis. Studies in Second Language Acquisition, 7, 289-307.
Eckman, F. R. (1996). A functional-typological approach to second language acquisition theory. In W. C. Ritchie, & T. K. Bhatia (Eds), Handbook of second language acquisition (pp. 92-112). New York, NY: Academic Press.
Eckman, F. R., Bell, L., & Nelson, D. (1988). On the generalization of relative clause instruction in the acquisition of English as a second language. Applied Linguistics 9(1), 1-20.
Ellis, R. (1994). The study of second language acquisition. Oxford: Oxford University Press.
Gennari, S. P., & McDonald, M. C. (2007). Semantic indeterminacy in object relative clauses. Journal of Memory and Language, 58(2008), 161-187.
Haegeman, L., & Gueron, J. (1999). English grammar: A generative perspective. Oxford: Blackwell.
Haghbin, F., & Asadi, H. (2015). A role and reference grammar analysis of relative clauses in Farsi. Language Research, 5(2), 21-41 [In Persian].
Hall, M., & Azar, B. (2010). Understanding and using English grammar. New York, NY: Pearson.
Jiang, Z., & Shao, C. (2006). Markedness in universal grammar and second language acquisition. US-China Education Review, 3(8), 41-62.
Kanno, K. (2007). Factors affecting the processing of Japanese relative clauses by L2 learners. Studies in Second Language Acquisition, 29, 197-218.
Kasper, G., & Faerch, C. (1987). Perspectives on language transfer. Applied Linguistics, 8(2), 72-94.
Keenan, E. L., & Comrie, B. (1977). Noun phrase accessibility and universal grammar. Linguistic Inquiry, 8(1), 63-99.
Kellerman, E. (1979). Transfer and non-transfer: Where we are now. Studies in Second Language Acquisition, 2, 37–57.
Khansir, A. A. (2012). Error analysis in second language acquisition. Theory and Practice in Language Studies, 2(5), 1027-1032.
Kuroda, S.-Y. (1968). English relativization and certain related problems. Language, 44(2), 244-266.
Mackey, A. (1995). Stepping up the pace: Input, interaction and interlanguage development: An empirical study of questions in ESL (Unpublished doctoral dissertation). University of Sydney, Australia.
Marefat, H., & Meraji, M. (2006). Parsing preferences in structurally ambiguous relative clauses: L1 vs. L2. The International Journal of Humanities of the Islamic Republic of Iran, 12(1), 111-127.
Miremadi, S. A. (1997). Persian syntax: A G. B-based analysis. Tehran: SAMT Publication.
Mohseni, A., & Samadian, S. (2019). Analysis of cohesion in writing performance of Iranian intermediate EFL learners. Issues in Language Teaching, 8(2), 213-242.
Mowlaei Kuhbanani, H., Alizade, A., & Sharifi, S. (2018). The role of typological features of relative clauses in Persian word order. Journal of Language Research, 10(28), 87-114 [In Persian].
Najafi, A. (1995). Application of ke in spoken Persian. Persian Academy Letter, 1(3), 7-19 [In Persian].
Pienemann, M. (1999). Language processing and second language development: Processability theory. Amsterdam: John Benjamins.
Pienemann, M. (2007). Processability Theory. In B. Van Patten, & J. Williams (Eds.), Theories in second language acquisition (pp. 37–154). Mahwah, NJ: Lawrence Erlbaum.
Pienemann, M., & Johnstone, M. (1987). Factors influencing the development of language proficiency. In D. Nunan (Ed.), Applying second language acquisition research (pp. 45-141). Adelaide: National Curriculum Resource Center.
Radford, A. (2004). English syntax: An introduction. Cambridge: Cambridge University Press.
Rahmany, R., Marefat, H., & Kidd, E. (2013). Resumptive elements aid comprehension of object relative clauses: Evidence from Persian. Journal of Child Language, 41(4), 1-12.
Riemsdjik, H. V. (2006). Free relatives: A syntactic case study. In M. Everaert, & H. V. Riemsdjik (Eds.), The Blackwell companion to syntax (339-380). Oxford: Blackwell.
Robinson, P. (1998). State of the art: SLA theory and second language syllabus design. Japan Association of Language Teaching Journal, 22(4). Retrieved from: http://www.jalt-publications.org/old_tlt/files/98/apr/robinson.html
Saric, A. (2016). Developmental patterns in the interlanguage research. European Journal of Social Sciences, Education and Research, 3(2). 242-255.
Shahidipour, V., & Tahririan, M. H. (2018). Difficulties facing Iranian EFL senior high school learners and strategies they use to understand English idioms. Issues in Language Teaching, 7(2), 121-146.
Shiamizadeh, Z., Caspers, J., & Schiller, N. (2018). When is a wh-in-situ question identified in standard Persian? Language Cognition and Neuroscience, 33(9), 1168-1183.
Spinner, P., & Jung, S. (2018). Production and comprehension in processability theory: A self-paced reading study. Studies in Second Language Acquisition, 40(2), 295-318.
Tabibzadeh, O. (2012). Persian grammar. Tehran: Markaz [In Persian].
Taghvaipour, M. (2004). An HPSG analysis of Persian relative clauses. In S. Müller (Ed.), Proceedings of the 11th international conference on head-driven phrase structure grammar (pp. 274-293). Stanford, CA: CSLI Publications.
Taghvaipour, M. (2005). Persian free relatives. In S. Müller (Ed.), Proceedings of the 12th international conference on head-driven phrase structure grammar (pp. 364–374). Stanford, CA: CSLI Publications.
Taghvaipour, M. (2014). Resumption in Persian relative clauses: An HPSG analysis. In P. Monachesi, J. Gerhard, G. Penn, & S. Wintner (Eds.), Proceedings of formal grammar conference (pp. 145-154). Stanford, CA: CSLI Publications.
Turnbull-Sailor, C. (2000). Syntactic pattern of wh-embedded clauses (Unpublished doctoral dissertation). University of California, Berkeley.
White, L. (2003). Second language acquisition and universal grammar. Cambridge: Cambridge University Press.
Yang, J. (2018). Linguistic status of markedness and its defining criteria. Advances in Social Science, Education and Humanities Research, 151, 400-406.