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221.
Hvorecny LM Grudowski JL Blakeslee CJ Simmons TL Roy PR Brooks JA Hanner RM Beigel ME Karson MA Nichols RH Holm JB Boal JG 《Animal cognition》2007,10(4):449-459
In complex navigation using landmarks, an animal must discriminate between potential cues and show context (condition) sensitivity. Such conditional discrimination is considered a form of complex learning and has been associated primarily with vertebrates. We tested the hypothesis that octopuses and cuttlefish are capable of conditional discrimination. Subjects were trained in two maze configurations (the conditions) in which they were required to select one of two particular escape routes within each maze (the discrimination). Conditional discrimination could be demonstrated by selecting the correct escape route in each maze. Six of ten mud-flat octopuses (Octopus bimaculoides), 6 of 13 pharaoh cuttlefish (Sepia pharaonis), and one of four common cuttlefish (S. officinalis) demonstrated conditional discrimination by successfully solving both mazes. These experiments demonstrate that cephalopods are capable of conditional discrimination and extend the limits of invertebrate complex learning. 相似文献
222.
Timothy A. Slocum Sarah E. Pinkelman P. Raymond Joslyn Beverly Nichols 《The Behavior analyst / MABA》2022,45(3):619
Multiple baseline designs—both concurrent and nonconcurrent—are the predominant experimental design in modern applied behavior analytic research and are increasingly employed in other disciplines. In the past, there was significant controversy regarding the relative rigor of concurrent and nonconcurrent multiple baseline designs. The consensus in recent textbooks and methodological papers is that nonconcurrent designs are less rigorous than concurrent designs because of their presumed limited ability to address the threat of coincidental events (i.e., history). This skepticism of nonconcurrent designs stems from an emphasis on the importance of across-tier comparisons and relatively low importance placed on replicated within-tier comparisons for addressing threats to internal validity and establishing experimental control. In this article, we argue that the primary reliance on across-tier comparisons and the resulting deprecation of nonconcurrent designs are not well-justified. In this article, we first define multiple baseline designs, describe common threats to internal validity, and delineate the two bases for controlling these threats. Second, we briefly summarize historical methodological writing and current textbook treatment of these designs. Third, we explore how concurrent and nonconcurrent multiple baselines address each of the main threats to internal validity. Finally, we make recommendations for more rigorous use, reporting, and evaluation of multiple baseline designs. 相似文献
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Aidan Feeney Simon J. Handley 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2000,53(4):1224-1242
The results of three experiments investigating the role of deductive inference in Wason's selection task are reported. In Experiment 1, participants received either a standard one-rule problem or a task containing a second rule, which specified an alternative antecedent. Both groups of participants were asked to select those cards that they considered were necessary to test whether the rule common to both problems was true or false. The results showed a significant suppression of q card selections in the two-rule condition. In addition there was weak evidence for both decreased p selection and increased not-q selection. In Experiment 2 we again manipulated number of rules and found suppression of q card selections only. Finally, in Experiment 3 we compared one- and two-rule conditions with a two-rule condition where the second rule specified two alternative antecedents in the form of a disjunction. The q card selections were suppressed in both of the two-rule conditions but there was no effect of whether the second rule contained one or two alternative antecedents. We argue that our results support the claimthat people make inferences about the unseen side of the cards when engaging with the indicative selection task. 相似文献
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Lawrence T. Nichols 《Journal of the history of the behavioral sciences》1996,32(2):135-150
The paper examines the relationship between two seminal figures in American sociology, in terms of its contribution to the movement to establish the science within the academic world. Using archival data, the analysis shows how Edward A. Ross and Pitirim A. Sorokin became acquainted and subsequently collaborated to expand the intellectual horizons and institutional base of sociology. Their collaboration is understood as intergenerational solidarity, which the paper argues is fundamental to an understanding of both the past and the future of organized sciences. 相似文献