Comparison of methods for varying item presentation during noncontingent reinforcement
2010 ◽
Vol 4
(3)
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pp. 367-376
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1986 ◽
Vol 50
(9)
◽
pp. 542-544
◽
1978 ◽
Vol 114
(9)
◽
pp. 1329-1332
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Keyword(s):
Keyword(s):