Captive animals in laboratories or zoos benefit from environmental enrichment. In a recent experiment on the...
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Captive animals in laboratories or zoos benefit from environmental enrichment. In a recent experiment on the effects of enrichment on animal behavior, Robbins and Margulis (2014) compared the effects of different types of auditory enrichment on captive gorillas. In their experiment, three gorillas-Koga, Lily, and Sidney-were exposed to either natural sounds, classical music, or rock music. The researchers counted the number of times the gorillas oriented toward the sound source. Frequencies like those observed by the researchers are listed below. Natural Sounds Classical Rock 200 68 32 Do the results indicate any significant preferences among the three types of music? Test with a = .05. (Use two decimal places.) (Use two decimal places.) Chi-Square Distribution Degrees of Freedom = 10 O O O TIT TTIT TIT ITTT TTT TTIT T 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 0 1 2 3 4 5 6 x2-critical x2 Conclusion: O Reject the null hypothesis; there is significant preferences among the three types of music. O Fail to reject the null hypothesis; there is significant preferences among the three types of music. O Fail to reject the null hypothesis; there is no significant preferences among the three types of music. O Reject the null hypothesis; there is no significant preferences among the three types of music. Complete the following sentence demonstrating how the outcome of the hypothesis test would be reported in a journal article. The results of the chi-square test indicate that there significant preference among the three types of music, x2( , N = - ) = I Captive animals in laboratories or zoos benefit from environmental enrichment. In a recent experiment on the effects of enrichment on animal behavior, Robbins and Margulis (2014) compared the effects of different types of auditory enrichment on captive gorillas. In their experiment, three gorillas-Koga, Lily, and Sidney-were exposed to either natural sounds, classical music, or rock music. The researchers counted the number of times the gorillas oriented toward the sound source. Frequencies like those observed by the researchers are listed below. Natural Sounds Classical Rock 200 68 32 Do the results indicate any significant preferences among the three types of music? Test with a = .05. (Use two decimal places.) (Use two decimal places.) Chi-Square Distribution Degrees of Freedom = 10 O O O TIT TTIT TIT ITTT TTT TTIT T 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 0 1 2 3 4 5 6 x2-critical x2 Conclusion: O Reject the null hypothesis; there is significant preferences among the three types of music. O Fail to reject the null hypothesis; there is significant preferences among the three types of music. O Fail to reject the null hypothesis; there is no significant preferences among the three types of music. O Reject the null hypothesis; there is no significant preferences among the three types of music. Complete the following sentence demonstrating how the outcome of the hypothesis test would be reported in a journal article. The results of the chi-square test indicate that there significant preference among the three types of music, x2( , N = - ) = I
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Related Book For
Elementary Statistics in Social Research Essentials
ISBN: 9780205638000
3rd edition
Authors: Jack A. Levin, James Alan Fox
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