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. 1978 Winter;11(4):531–532. doi: 10.1901/jaba.1978.11-531
On the inability of interval time sampling to reflect frequency of occurrence data1
J Powell
1,2, R Rockinson
1
1California State College California, Pennsylvania
2
Department of Special Education, California State College, California, Pennsylvania 15419.
1
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Keywords: time sampling, partial interval, validity
PMCID: PMC1311339