The Use of Contextual Interference Trials by Mildly Mentally Handicapped Children

1991 ◽  
Vol 62 (2) ◽  
pp. 240-244 ◽  
Author(s):  
David L. Porretta ◽  
Kevin O'brien
1988 ◽  
Vol 5 (4) ◽  
pp. 332-339 ◽  
Author(s):  
David L. Porretta

This study investigated the effects of contextual interference on the immediate transfer and 2-day retention of a bean bag tossing task by mildly mentally handicapped children. A total of 24 boys and 24 girls with a mean chronological age of 10.2 years were randomly assigned to either a blocked, serial, or random practice condition. Following 48 practice trials with bean bags of various weights, subjects were transferred to two novel weighted bean bags. Both transfer and retention analyses showed that subjects in the random practice condition exhibited less error than subjects in either the blocked or serial practice conditions. However, these differences were not significant. Boys performed with significantly less error than girls on both transfer and retention, while regardless of gender, the heavier weighted bean bag resulted in significantly less error on transfer only. Results provide marginal support for the contention that greater contextual interference (random practice) leads to better transfer and retention than other types of practice conditions.


The Lancet ◽  
1962 ◽  
Vol 279 (7230) ◽  
pp. 642-643 ◽  
Author(s):  
R.I. Mackay

1970 ◽  
pp. 2
Author(s):  
Nayla Kassis

Private initiative has always played a leading role in the development of Lebanon, especially in the social and economic fields. To this initiative, the 18 centers created in this country for the rehabilitation of the physically and mentally disabled owe their existence.


PEDIATRICS ◽  
1972 ◽  
Vol 49 (2) ◽  
pp. 323-323
Author(s):  
Ronald C. Mackeith

The author is a British architect who clearly feels for handicapped children and has given deep thought to his subject. The book deals primarily with mentally handicapped children with a brief chapter on the additional problems of those who also have physical handicaps. In general he describes what is necessary for older children including those in wheelchairs, with little very specific reference to those who, because they are younger or more severely handicapped, are not at all mobile. The parts on play areas, observation and recording facilities will be particularly valuable.


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