[1] Abdelhaq, Z., & Al-Khatib, M. (2011). Levels of seventh grade maintaining of language types, grammatical concepts after educational base knowledge developments in Jordan. Al-Najah Scholar, 25, 474508.
[2] Abu Alam, R. (1996). Educational psychology. Kuwait: Dar Al-Qalam Publishers.
[3] Al-Dafaee, H., & Al-Munefe, A. (2006). Educational psychology: Its practical implications. Sana’a: Abarri Studies Center.
[4] Al-Dardeer, A., & Abdullah, J. (2005). Cognitive psychology science: Readings and modern applications. Cairo: Books World Press.
[5] Al-Hamdani, M., Al-Jadri, A., Qandlji, A., & Abu-Zina, F. (2006). Methods of scientific research: Basics of scientific research. Amman: Al-Wrraq Press.
[6] Al-Huri, F., Amna, K. (2011). The role of working memory capacity and social gender in reading comprehension. Jordanian Educational Journal, 7, 221-232.
[7] Al-Khatib, M. (2005). The extent of maintaining grammatical concepts by 8th graders in fifth and sixth grade. Educational & Psychology Journal, 6, 36-58.
[8] Al-Luqtaa, R. (2007). Working memory capacity and cognitive style (verbal/imaginative) and cognition speed in its relationship with mental processes used to solve problems among Jordanian students. Ph.D. Dissertation, Amman: Amman Arabic University.
[9] Al-Melhm, E. (2003). Activating the child abilities on learning. Damascus: Alaaldin Publishers.
[10] Al-Shareef, S., Mohammad, I., & Mustafa, A. (2005). Modern trends in measuring intelligence and human memory. Al-Ryadh: Dar ALZahra Publishers.
[11] Al-Zayyat, F. (1998). Biological and psychological basics of mental and cognition activity. Cairo: Book World Press.
[12] Al-Zayyat, M. (2009). Concentration power and memory enhancement. Cairo: Arabic Training Group for Publishing.
[13] Baddeley, A. D. (1986). Working memory. New York: Oxford University Press.
[14] Baddeley, A. D. (2000). The episodic buffer: A new component in working memory? Trends in Cognitive Sciences, 4, 417-423.
http://dx.doi.org/10.1016/S1364-6613(00)01538-2
[15] Baddeley, A. D. (2003). Working memory: Looking back and looking forward. Nature Reviews, Neuroscience, 4, 829-839.
http://dx.doi.org/10.1038/nrn1201
[16] Barkat, Z. (2010). Memory activation strategies used by Al-Quds Open University students to enhance their ability to maintain information and recalling them. Al-Njah Journal, 24, 2527-2558.
[17] Bartlett, J., Kotrlik, J., & Higgins, C. (2001). Organizational research: Determining appropriate sample size survey research. Information Technology Learning and Performance Journal, 19, 43-51.
[18] Daneman, M., & Carpenter, P. A. (1980). Individual differences in working memory and reading. Journal of Verbal Learning and Verbal Behavior, 19, 450-466.
http://dx.doi.org/10.1016/S0022-5371(80)90312-6
[19] Davis, D. (2011). Identifying working memory capacity: A study of two working memory assessment tools. Unpublished Master’s Thesis, Menomonie, WI: University of Wisconsin-Stout.
[20] Dehn, M. J. (2008). Working memory and academic learning assessment and intervention. New Jersey: John Wiley & Sons, Inc.
[21] Department of Planning and Educational Research (2011). Ministry of Education. Amman: Jordan.
[22] Duff, S., & Logie. R. (2001). Processing and storage in working memory span. The Quality Journal of Experimental Psychology, 54A, 3148.
[23] Gathercole, S. E., & Alloway, T. P. (2009). Working memory and learning: A practical guide for teachers. Los Angeles, CA: Sage.
[24] Goolkazian, P., & Foos, P. (2002). Presentation format and its effect on working memory. Memory & Cognition, 30, 1096-1105.
http://dx.doi.org/10.3758/BF03194327
[25] Jarrold, C., & Towse, I. (2006). Individual differences in working memory. Neuroscience, 139, 39-50.
http://dx.doi.org/10.1016/j.neuroscience.2005.07.002
[26] Jincho, N., Namiki, H., & Mazuka, R. (2008). Effect of verable working memory and cumulative linguistic knowledge on reading comprehension. Japanese Psychological Research, 50, 12-23.
http://dx.doi.org/10.1111/j.1468-5884.2007.00358.x
[27] Jonidei, J., & Nee, E. (2006). Brain Mechanisms of proactive interference in working memory. Neuroscience, 139, 181-193.
http://dx.doi.org/10.1016/j.neuroscience.2005.06.042
[28] Leahey, T. (2003). Cognition and learning. Handbook of psychology. Hoboken, NJ: John Wiley and Sons, Inc.
[29] Lepine, R., Barrouillet, P., & Camos, V. (2005). What makes working memory spans so predictive of high-level cognition. Psychonomic Bulletin and Review, 12, 165-170.
http://dx.doi.org/10.3758/BF03196363
[30] MacNamara, D., & Scott, J. (2001). Working memory capacity and strategy use. Memory & Cognition, 29, 10-17.
http://dx.doi.org/10.3758/BF03195736
[31] Maleha, N. (2003). Memory (shortlong term) and its relationship with the ability to solve problems among tenth graders. Master Thesis, Gaza: Islamic University.
[32] Swanson, H. (2011). Working memory, attention, and mathematical problem solving: A longitudinal study of elementary school children. Journal Educational Psychology, 103, 821-837.
http://dx.doi.org/10.1037/a0025114
[33] Turner, M. L., & Engle, R. W. (1989). Is working memory capacity task dependent? Journal of Memory and Language, 28, 127-154.
http://dx.doi.org/10.1016/0749-596X(89)90040-5
[34] Zheng, X. H., Swanson, H. L., & Marcoulides, G. A. (2011). Working memory components as predictors of children’s mathematical word problem solving. Journal of Experimental Child Psychology, 110, 481-498. http://dx.doi.org/10.1016/j.jecp.2011.06.001