Al-Ameer, H., & Toole, T. (1993). Combinations of blocked and random practice orders:
Benefits to acquisition and retention. Journal of Human Movement Studies, 25(4), 177-192.
- Arab-Ameri A And Estiri Z. "The Impacts Of Fixed And Variable Practice On Retention And
Transfer Accuracy Over Arm Throw In Preschool Children". Journal of Motor Behavior; 2013.
No. 12, PP: 46-33. [In Persian].
- Bagherzadeh, F., Shaykh , M., Shahbazi, M., & Tahmasbi Borojeni, S. (2007). Learning and
motor control theory and concepts (first edition). Publishers: Bamdad ketab, ]In persian .[
- Bortoli, L., Robazza, C., Durigon, V., & Carra, C. (1992). Effects of contextual interference
on learning technical sports skills. Perceptual and motor skills, 75(2), 555-562.
- Bouffard, M. (1990). Movement problem solutions by educable mentally handicapped
individuals. Adapted Physical Activity Quarterly, 7(2), 183-197.
- Bromage, B. K., & Mayer, R. E. (1986). Quantitative and qualitative effects of repetition on
learning from technical text. Journal of Educational Psychology, 78(4), 271.
- Dastjerdi, M. (2003). A Comparative Study on the Basic Motor Skills in Mentally Retarded
Children. Journal of Exceptional Children, 2(4), 333-358.
- De Croock, M. B & ,.Van Merriënboer, J. J. (2007). Paradoxical effects of information
presentation formats and contextual interference on transfer of a complex cognitive skill.
Computers in Human Behavior, 23(4), 1740-1761.
- Douvis, S. J. (2005). Variable practice in learning the forehand drive in tennis. Perceptual and
motor skills, 101(2), 531-545.
- Driskell, J. E., Willis, R. P., & Copper, C. (1992). Effect of overlearning on retention. Journal
of Applied Psychology, 77(5), 615.
- Hagman, J. D., & Rose, A. M. (1983). Retention of military tasks: A review. Human factors,
25(2), 199-213 .
- Jones, L. L., & French, K. E. (2007). Effects of contextual interference on acquisition and
retention of three volleyball skills. Perceptual and motor skills, 105(3), 883-890.
- Landin, D & ,.Hebert, E. P. (1997). A comparison of three practice schedules along the
contextual interference continuum. Research quarterly for exercise and sport, 68(4), 357-361 .
- Magill. (2000). Motor Learning: Concepts and applications (6 th ed.)”. Boston: McGraw- Hill
Higher Education, ]In persian[.
- Magill, & Hall, K. G. (1990). A review of the contextual interference effect in motor skill
acquisition. Human Movement Science, 9(3), 241-289. doi:https://doi.org/10.1016/0167-
9457(90)90005-X.
- Maslovat, D., Chua, R ,.Lee, T. D., & Franks, I. M. (2004). Contextual interference: single
task versus multi-task learning. Motor control, 8(2), 213-233.
- Matsouka, O., Trigonis, J., Simaki, S., CHavenetidis, K., & Kioumourjoglou, E. (2010).
Variability of practice and enhancement of acquisition, retention and transfer of learning using
an outdoor throwing motor skill by children with intellectual disabilities. Studies in Physical
Culture & Tourism, 17(2)1-19.
- Melnick, M. J., Lersten, K. C., & Lockhart, A. S. (1972). Retention of fast and slow learners
following overlearning of a gross motor skill. Journal of Motor Behavior, 4(3), 187-193 .
- Memmert, D. (2006). Long-term effects of type of practice on the learning and transfer of a
complex motor skill. Perceptual and motor skills, 103(3), 912-91.
- Pollock, B. J., & Lee, T. D. (1997). Dissociated contextual interference effects in children and
adults. Perceptual and motor skills, 84(3), 851-858
Proteau, L., Blandin, Y., Alain, C., & Dorion, A. (1994). The effects of the amount and
variability of practice on the learning of a multi-segmented motor task. Acta Psychologica,
85(1), 61-74 .
- Robinson, N., & Robinson, B. (2006). Mentally Retarded Children. 1976. Translation By:
Maher F, Dissemination of Astan Quds Razavi. Sixth Edition, ]In persian[.
- Rose Debra, J., & Christina Robert, W. (2012). Learning and control motor of study the to
approach multilevel.[Namazi zadeh M, Jalali Sh, Persian translate]. Tehran: Nersi Publishers .
- Rose, R. J. (1992). Degree of learning, interpolated tests, and rate of forgetting. Memory &
Cognition, 20, 621-632 .
- Samadi, H., Koshan, M., Farokh Z, Syed Ahmadi , M., Keyvānlu, F., & M, K. A. (2011). The
Effect of Make-Up Practice on the Acquisition, Retention and Transfer of Generalized Motor
Program .Journal of Sabzevar University of Medical Sciences and Health Services, 18, 4. ]In
persian[.
- Samani , S., & Rezvani Asl, R. (2001). The Effect Of Two Types Of Fixed And Variable
Practice In Learning Mobility Schemes In Educable Mentally Retarded Children .The First
Conference on New Findings of Research in Education, ]In persian[.
- Sarvari , M. H., & Ravandoost , V. (2003). Sensory-movement-psychological exercises in
mental transformation "set of 181 exercises (K. Parvin Ed.). University of Welfare and
Rehabilitation Sciences.]In persian[.
- Schendel, J. D., & Hagman, J. D. (1982). On sustaining procedural skills over a prolonged
retention interval. Journal of Applied Psychology, 67(5), 605 .
- Schmidt, & Lee. (2014). Learning and Motor Control. Translated By Hemayattalab R &
Ghasemi A. Tehran: Publication Science and Move. ]In persian .[
- Shahrazad , N., Bahram , A., Shafizadeh , M., & Safar, M. (2009). The Impact of Exercise
and Age Tghyrpzyry Retention and Transfer Accuracy Over Arm Throw In Children. Journal
of Motor Learning, 1, 133-115.]In persian .[
- Shea, C. H., & Kohl, R. M. (1990). Specificity and variability of practice. Research quarterly
for exercise and sport, 61(2), 169-177 .
- Spector, J. M. (2000). System dynamics and interactive learning environments: Lessons
learned and implications for the future. Simulation & Gaming, 31(4), 528-535 .
- Stiri, Z., & Arab-Ameri , A. (2013). The Impacts Of Fixed And Variable Practice On Retention
And Transfer Accuracy Over Arm Throw In Preschool Children. Journal of Motor Behavior,
12, 12, PP: 46-33. ]In persian .[
- Travlos, A. K. (2010). Specificity and variability of practice, and contextual interference in
acquisition and transfer of an underhand volleyball serve. Perceptual and motor skills, 110(1),
298-312 .
- Wrisberg, C. A., & Liu, Z. (1991). The effect of contextual variety on the practice, retention,
and transfer of an applied motor skill. Research quarterly for exercise and sport, 62(4), 406-
412 .
- Wulf, G. (2007). Attention and motor skill learning: Human Kinetics.