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A system is described that digitizes rodent vocalizations after the signals have passed through a spectrum analyzer. The system’s capacity to record simultaneously from all frequencies in a range selected by the experimenter is demonstrated. In the graphic display, both single and simultaneous multiple vocalizations of rats ranging freely in large experimental rooms are presented. The capacity of this system to record simultaneous vocalizations in a form that permits rapid analysis of many of the parameters of the signals is especially useful in the analysis of rodent social behavior. 相似文献
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Christopher Campbell Ph.D. Janet Moore J.D. M.A. Wesley Maier M.S. Mike Gaffney J.D. 《Behavioral sciences & the law》2015,33(6):751-770
The challenge of providing high-quality public defense services continues to be a concern at federal, state, and local levels. Some scholars have alluded to a potential solution in client-centered representation, but research in this area is sparse at best. Such a lack of understanding leaves in its place speculation, particularly as to the potential importance of client perceptions in shaping broader system legitimacy. To fill this gap and create an empirical platform for future research, an exploratory pilot study was launched with the Hamilton County, Ohio Public Defender's Office, which used mixed methodologies to assess client attitudes toward public defenders as a potential resource for aiding the improvement of indigent representation. Findings from this pilot study suggest that there are five factors a public defense attorney should address that may prove to be very important in obtaining client satisfaction and cooperation: engaging the client for input, listening to the client, examining the prosecutor's evidence, focusing on the client's case during meetings, and informing the client of potential consequences. Implications for practice and future research are discussed. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
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