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Perceptual norms in grades 4 and 5: a preliminary report
1Learning Disabilities Unit, State College of Optometry, New York, NY 10010.
Insights
This study provides perceptual task norms for 4th and 5th graders to aid optometrists in assessing children. These findings highlight the developmental progression of perceptual skills and their relation to academic performance.
Area of Science:
- Developmental Psychology
- Optometry
- Educational Psychology
Background:
- Perceptual development is crucial for academic success in children.
- Standardized norms are needed for accurate assessment of perceptual skills in school-aged children.
- Previous research has indicated a link between perceptual abilities and academic achievement.
Purpose of the Study:
- To establish normative data for specific perceptual tasks in normal-achieving children in grades 4 and 5.
- To correlate performance on these perceptual tasks with measures of reading and arithmetic abilities.
- To provide optometrists with standardized procedures for administering and interpreting these tests.
Main Methods:
- A sample of 38 normal-achieving children in grades 4 and 5 completed three perceptual tasks: tachistoscope, grooved pegboard, and auditory-visual integration test (AVIT).
- Data analysis included calculating percentiles, means, standard deviations, and ranges to establish within-group norms.
- Pearson correlations were used to examine the relationship between perceptual task performance and academic measures (reading vocabulary, comprehension, arithmetic).
Main Results:
- Normative data, including percentiles and central tendencies, were established for the perceptual tasks in the studied age groups.
- Significant correlations were found between performance on the perceptual tasks and academic outcomes in reading and arithmetic.
- The results indicated a developmental trend in the perceptual tasks from kindergarten through grade 5.
Conclusions:
- The established norms provide a valuable resource for optometrists to assess perceptual skills in children.
- The findings support the developmental nature of these perceptual tasks and their relevance to academic achievement.
- Optometrists can use these standardized norms to interpret results, with consideration for the performance of normal-achieving students.
Abstract:
Norms from a sample population (38) of normal-achieving children in grades 4 and 5 are reported using three different perceptual tasks: tachistoscope, 5 digits at .1 and .01 seconds; grooved pegboard, dominant hand; and auditory-visual integration test (AVIT). Percentiles provide within-group norms. Central tendencies are developed using means, standard deviations, and ranges. The perceptual tasks are correlated with reading vocabulary and comprehension and written and mental arithmetic. The results suggest the developmental nature of the tasks from kindergarten through grade 5. When combined with previously published data, the norms presented should enable the optometrist to conduct the tests described using standardized procedures and to interpret the results, albeit with some caution, based on data derived from the performance of normal-achieving students.