基于SHT21传感器的智能加湿器设计

针对传统加湿器人工操作频繁、欠缺智能化的缺点，设计了一种以SHT21温湿度传感器为核心的智能加湿系 统。系统由湿度采集、中央控制、显示输出和加湿控制4个部分组成，利用89C51单片机对SHT21采集的数据进行处理， 系统依据处理后的数据对加湿过程进行控制，同时把数据反馈给显示装置进行可视化输出。测试结果表明，加湿器系统 能及时、准确的测量环境温湿度数据，并根据系统预设值，控制加湿器正常工作，实现加湿器智能湿度控制的目的。     

Absenteeism in Health Care: Using Interlocking Behavioral Contingency Feedback to Increase Attendance With Certified Nursing Assistants

This research used an ABA multiple baseline design across hospitals to evaluate a behavioral intervention designed to reduce absenteeism among 64 certified nursing assistants (CNA) in a rural health care organization. Pre-baseline assessments suggested that when CNAs were absent from work, other employees had to work unscheduled shifts. Because of this metacontingency, employees reported that they skipped work themselves to make up for the extra shifts they had to cover. This cycle created more unscheduled shifts and potentially caused the high absenteeism prevalent at the organization. An intervention with normative and metacontingency feedback significantly decreased the total number of days CNAs were absent per week across the three hospitals from a baseline mean of 0.24 (SD?=?0.19) days per week (7.74% of their scheduled hours) to a mean of 0.13 (SD?=?0.17) days per week (3.81% of their scheduled hours) during the intervention. In a return to baseline the total number of days CNAs were absent per week across the three hospitals increased to a mean of 0.24 (SD?=?0.20) days per week (7.47% of their scheduled hours).     

Perceived risk and behavioural feedback: Strategies for reducing accidents and increasing efficiency

Abstract

There is overwhelming evidence that people will adapt to an increase in perceived risk by taking more care, and to a reduction in perceived risk by taking less care (behavioural feedback). This can reduce the effects of some safety measures and even, in some cases, produce the opposite effect to that which was intended or expected. Any safety programme should take account of this by seeking to minimize any change in perceived risk while maximizing the change in objective risk. It is, for example, probably counterproductive to ‘oversell’ the potential benefits of any safety measure.     

Bodies of Knowledge for Research in Behavioral Operations

Whenever intrepid researchers venture into new terrain, they find that they require knowledge outside of their formal training. This paper reviews bodies of knowledge for operations management (OM) researchers interested in the new area of Behavioral Operations. We highlight theoretical constructs and empirical phenomena from cognitive psychology, social psychology, group dynamics, and system dynamics. We also provide a guide for where to go to learn more about each body of knowledge. Our overall goal is to lower the startup costs for new researchers in Behavioral Operations.     

同伴反馈在二语写作中的作用研究:回顾与启示

随着过程写作法的提出和盛行,同伴反馈受到研究者的重视.本文对同伴反馈的理论基础和相关研究进行整理与分析,指出其在二语写作中不可或缺的作用.通过梳理分析发现:(1)学生对同伴反馈持积极肯定态度,并能有效利用同伴反馈意见修改作文;(2)作为教师反馈的有效补充,同伴反馈能帮助学生认识错误,提高写作水平;(3)小组同伴反馈有多种形式,其中由不同学习水平的学生组成的混合小组的同伴反馈效果更好;(4)优化的同伴反馈和在线的同伴反馈具有各自独特的优势.本文最后探讨了同伴反馈对二语写作教学的启示.     

文化反哺:城市老年人社会适应的新途径

文化反哺是一种逆向的文化传递模式。老年人向年轻一辈不仅学习一些新器物、新技术的使用,而且有对新现象的理解,新观点的接受,涉及文化的各个层面。这种文化反哺过程,不仅有利于和谐家庭关系的构建,而且有利于促进老年人的社会适应能力。     

Significant Conversations or Reduced Relational Capacity? Exploring Couple and Family Therapists' Expectations for Including a Client Feedback Procedure

Little information exists on the specific reflective processes that precede therapists' choice of including or not including a structured feedback procedure in their established practice. In the present study, we aim to describe and explore experienced couple and family therapists' expectations for how the comprehensive therapy feedback procedure Systemic Therapy Inventory of Change might influence their practices. Through a thematic analysis of six focus group interviews, two main themes were elicited. The first main theme involved values embedded in current practice, with the following subthemes: (1) balance between the therapist's expert knowledge and the client's experience‐based knowledge; and (2) making time to build alliances. The second main theme concerned the presumed influence on current practice, with the following subthemes: (1) ‘Systemic Therapy Inventory of Change will disturb the therapist's capacity to stay present’; (2) ‘Systemic Therapy Inventory of Change will shape conversations’; and (3) ‘Systemic Therapy Inventory of Change will contribute to increased qualitative depth’. We discuss these results in relation to the notion of Systemic Therapy Invention of Change as a ‘third party in the room’. We also discuss the results in relation to implications for collaborative practices, and for client and therapist autonomy.     

《四川师范学院学报(哲社版)》近十年来反馈信息的综合报告

:通过对四川师范学院学报 (哲社版 )近十年来反馈信息内容收集、整理及概括分析 ,结果表明四川师院学报 (哲社版 )近期质量不断提高 ,并在国内外学术界享有一定的知名度。结合目前学报发展的新形势 ,对进一步办好学报提出了具体的建议     

Increasing Client Voice within Involuntary Groups

Partners for Change Outcome Management System (PCOMS) is a client-driven outcome management system that has been proven effective with engaging voluntary mental health client populations through several randomized clinical trials. Little is known, however, about PCOMS application to clients who are court ordered or pressured to attend group programs. This study (N = 10) interviewed group facilitators who use PCOMS with involuntary groups. Participants strongly endorsed the use of the instruments to increase client voice, respond supportively to client incongruence, and focus on client responsibility for change. Guidelines for application to involuntary groups and research and practice implications are discussed.     

A multiple stream generator based on de Bruijn digraph homomorphisms

We propose a method to obtain several streams of pseudorandom numbers based on a backbone generator of the generalized shift register type. The method is based on inverting one cycle in a de Bruijn digraph into many sequences in a higher-order de Bruijn graph via an appropriate graph homomorphism. We apply this technique to twisted generalized feedback shift register generators and to the Mersenne Twister MT19937. Positive results of statistical testing are reported.