The effect of two density ratios and two background ratios on the visual search performance of two achievement groups/
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| Format: | Book |
| Language: | English |
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1969
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| Item Description: | Microform Publications, School of Health, Physical Education, and Recreation, University of Oregon, 1971. - 2 sheets ; 11 x 15 cm. |
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| Physical Description: | 65 : ill. + aves : |
| Bibliography: | Bibliography: |