The importance of statistical power analysis: an example from Animal Behaviour
Article Abstract:
Biological significance and statistical significance are two different terms but both are needed in animal behavior research. To illustrate the importance of both concepts, the results of an experiment to test the susceptibility of juvenile rainbow trout to predation were analyzed. The results showed that large and small juvenile trout were susceptible to predation by an adult trout. Statistical tests failed to seen any difference in the susceptibility of juvenile trout to predation but researchers cannot dismiss the possibility that a biological significance may exist which the tests cannot identify.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Self recognition, methodology and explanation: a comment on Heyes (1994)
Article Abstract:
C.M. Heyes' interpretations of mirror self-recognition suffer from many defects in the analyses of methodology. The importance of looking into the mirror and the body positioning pertaining to self-directed behavior in front of the mirror are ignored. The comparison of behavior patterns in monkeys with or without mirrors is confusing. Her explanations regarding self-recognition in apes contradict each other. The anaesthesia hypothesis seems improbable.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Individual recognition and memory in lobster dominance
Article Abstract:
American lobsters, Homarus americanus, were paired in two consecutive fight situations to investigate how they maintain their stable dominance relationships. Results indicated that lobsters can remember familiar opponents within 24 hours of their first and second bouts. Subordinates were found to immediately retreat from familiar dominants. These findings suggest that lobsters are capable of individual recognition.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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