Assessing Observer Effects on the Fidelity of Implementation of Functional Analysis Procedures

Instructing and training others to implement functional analysis (FA) procedures can be a cumbersome and time-consuming task. Students and practitioners are required to learn all of the various components to establish conditions and analyze results while also learning to conduct the sessions. The current study assessed the fidelity of individuals implementing FA conditions after observing and rating the fidelity of videos models, using a multiple-baseline design across FA conditions. Video models of each condition were provided throughout; however, participants were only asked to provide fidelity ratings for one video. Results demonstrated the intervention was successful in increasing participant performance above baseline levels for 16 of 17 participants, with 7 participants requiring an additional intervention in which they were asked to observe their own performance. Further research should evaluate the degree to which this procedure may effectively prepare individuals working with non-confederate children and carry over to other responses and settings.     

The Effects of Evaluating Video Examples of Staffs' Own Versus Others' Performance on Discrete-Trial Training Skills in a Human Service Setting

Many studies have been conducted evaluating the use of feedback in staff training in organizational settings. Central to this literature has been the use of a variety of forms of feedback, including videotaped feedback. A distinction is outlined between video modeling and a variety of possible video feedback procedures. Previous studies have indicated a possible positive training effect on staff skills from simply being exposed to relevant videotaped performances of those skills or as a result of evaluating video modeled performances. This study evaluated the effectiveness for training teaching skills of having staff evaluate videotaped teaching skills as performed by themselves versus others. The current study results replicate earlier research on the effectiveness of evaluating video models as a training method and do not suggest a difference between observing oneself as opposed to observing someone else. Future research suggestions for the general use of video in training are provided.     

The Use of Video Modeling,Prompting, and Feedback to Increase Credit Card Promotion in a Retail Setting

We evaluated the use of video modeling, role play, prompting, and feedback to increase credit card promotion by sales associates in a retail setting. We first used the Performance Diagnostic Checklist (Austin, 2000 Austin, J. 2000. “Performance analysis and performance diagnostics”. In Handbook of applied behavior analysis, Edited by: Austin, J. and Carr, J. E. 321–349. Reno, NV: Context Press.  [Google Scholar]) to identify the variables contributing to the poor performance of two sales associates. Based on the results, we developed an intervention package that included a video model, instructional prompt cards, role play, and feedback. During baseline, target employees asked a mean of 26% of customers to enroll in the credit card program. Following intervention, target employees asked a mean of 84% of customers to enroll in the credit card program. Furthermore, employees rated the intervention as enjoyable, as effective, and as a system that they would continue to use. The results illustrate the effectiveness of video modeling, prompting, and feedback in increasing credit card promotions and delivering critical information about the card to daily customers.     

Improving the Quality of Staff and Participant Interaction in an Acquired Brain Injury Organization

Weekly observations of direct-care staff in a facility for persons with brain injury yielded less than optimal interactional style with facility residents. Following an observational baseline, staff were asked to self-rate a 15-min video sample of their interaction behavior with participants on their unit. They were then asked to compare their self-ratings to those of a supervisor, as well as view a video exemplar of appropriate positive interaction behavior. Elements of their interactional style were highlighted and specific feedback was provided on how to improve their performance. Interaction style was then reevaluated via an unobtrusive observer and yielded positive gains for all participants. Subsequent on-the-job feedback sustained performance gains.     

Effects of Behavioral Skills Training With Directed Data Collection on the Acquisition of Behavioral Practices by Workers in a Private,Not-for-Profit Child Care Center

Thirty-one workers at a childcare center were observed working with children and data were recorded on their performance of seven behavioral practices. Each week data from observations of individual workers were aggregated into a single data point for each strategy, presented graphically, and posted publicly in the center. Approximately once per month supervisors provided 30 minutes of training (video modeling with directed data collection and discussion) to all workers. Staff reached criterion with training for three skills, and without training for four skills. By study’s end aggregate worker performance was demonstrated at, or above, 80% for all skills.     

制造企业创新战略、员工培训与企业绩效关系实证研究

以上海、江苏和广东三地的122家制造企业为样本,采用层级回归方法对创新战略、员工培训与企业绩效的关系进行了实证研究。研究发现,企业创新战略与企业绩效存在显著正相关关系,员工培训与企业绩效存在显著正相关关系,员工培训对企业创新战略与企业绩效具有一定的调和作用,但并不显著。     

An Evaluation of Risk Estimation Procedures for Mixtures of Carcinogens

The estimation of health risks from exposure to a mixture of chemical carcinogens is generally based on the combination of information from several available single compound studies. The current practice of directly summing the upper bound risk estimates of individual carcinogenic components as an upper bound on the total risk of a mixture is known to be generally too conservative. Gaylor and Chen (1996, Risk Analysis) proposed a simple procedure to compute an upper bound on the total risk using only the upper confidence limits and central risk estimates of individual carcinogens. The Gaylor-Chen procedure was derived based on an underlying assumption of the normality for the distributions of individual risk estimates. In this paper we evaluated the Gaylor-Chen approach in terms of the coverage probability. The performance of the Gaylor-Chen approach in terms the coverages of the upper confidence limits on the true risks of individual carcinogens. In general, if the coverage probabilities for the individual carcinogens are all approximately equal to the nominal level, then the Gaylor-Chen approach should perform well. However, the Gaylor-Chen approach can be conservative or anti-conservative if some or all individual upper confidence limit estimates are conservative or anti-conservative.     

A Parametric Analysis of Rehearsal Opportunities on Procedural Integrity

Behavioral skills training (BST) involves instruction, modeling, rehearsal, and feedback. Despite its empirical support, the literature provides little to no guidance regarding the best way to implement rehearsal to ensure accurate implementation of behavioral procedures. Thus, the purpose of this study was to conduct a parametric analysis of rehearsal opportunities within a BST package. We evaluated the effects of 1, 3, and 10 rehearsals with feedback on correct implementation of functional analysis (FA). Regardless of the number of rehearsals, 18 undergraduate participants effectively learned to implement FA conditions. The most efficient training involved the use of single rehearsals with feedback until meeting mastery criterion. Participants maintained integrity during a follow-up session and rated the use of rehearsal as highly acceptable.     

A Comparison of Two Data Analysis Training Methods for Paraprofessionals in an Educational Setting

Analyzing and using student educational data to guide instructional programming is a critical staff skill to ensure quality programming based on applied behavior analysis. We compared two training methods to teach staff to use rules to analyze graphed educational data to enact program changes: didactic instruction and behavioral skills training using direct practice. Participants showed improvements in verbally identifying data patterns using simulated data; however, participants in the latter group were also effective using actual student data. The lack of correspondence between rule identification and rule following challenges the assumption that an individual’s ability to identify rules predicts actual performance.     

Use of a Chemical Probe to Increase Safety for Human Volunteers in Toxicokinetic Studies

To avoid interspecies extrapolation in toxicokinetics and drug development, it is convenient to directly develop human data. In that case, exposure dose should pose null or negligible risk to the exposed individual, but still be sufficiently high to allow quantification. We propose to reduce the dose received by human volunteers during exposure, and to compensate for loss of information by exposing the same volunteers to a nontoxic agent. This method was applied to develop 1,3-butadiene (BD) exposure protocols for humans. To study the potential of such a procedure, we worked with simulated data. Three exposure times (20, 10, and 5 minutes) and four exposure concentrations (2, 1, 0.8, and 0.5 ppm) were used to define 12 inhalation exposure scenarios for BD. Isoflurane was used as a probe, with simulated exposure of 20 subjects to 20 ppm isoflurane during 15 minutes. Isoflurane or BD-exhaled air concentrations were supposed to be measured 10 times. A three-compartment physiological toxicokinetic model was used to jointly describe BD and isoflurane data. For each subject, BD data were analyzed, in a Bayesian framework, either alone or together with the isoflurane data. The precision of BD metabolic rate constant or fraction metabolized was increased, and bias reduced, when BD and probe data were considered jointly. An exposure to 10 ppm x min BD and 300 ppm x min isoflurane gave equivalent precision and bias as a unique exposure to 40 ppm x min BD. The BD dose received by volunteers could therefore be at least quartered if BD exposure was supplemented with that of a probe.     

基于扩展广义随机时间Petri网的流程银行建模及等价性能分析

对业务流程进行建模和性能分析是流程银行研究的重要课题.通过对广义随机时间Petri网进行扩展,将其用于对流程银行的业务流程建模.同时,基于活动执行时间为正态分布的假设,给出了4种流程元模式的等价性能分析方法.在此基础上,进一步把活动执行时间扩展到任意分布的情况,给出了通用的等价性能分析方法.     

Influence of Distribution of Animals between Dose Groups on Estimated Benchmark Dose and Animal Distress for Quantal Responses

Increasingly, dose‐response data are being evaluated with the benchmark dose (BMD) approach rather than by the less precise no‐observed‐adverse‐effect‐level (NOAEL) approach. However, the basis for designing animal experiments, using equally sized dose groups, is still primed for the NOAEL approach. The major objective here was to assess the impact of using dose groups of unequal size on both the quality of the BMD and overall animal distress. We examined study designs with a total number of 200 animals distributed in four dose groups employing quantal data generated by Monte Carlo simulations. Placing more animals at doses close to the targeted BMD provided an estimate of BMD that was slightly better than the standard design with equally sized dose groups. In situations involving a clear dose‐response, this translates into fewer animals receiving high doses and thus less overall animal distress. Accordingly, in connection with risk and safety assessment, animal distress can potentially be reduced by distributing the animals appropriately between dose groups without decreasing the quality of the information obtained.     

Disease Spread Models to Estimate Highly Uncertain Emerging Diseases Losses for Animal Agriculture Insurance Policies: An Application to the U.S. Farm‐Raised Catfish Industry

Emerging diseases (ED) can have devastating effects on agriculture. Consequently, agricultural insurance for ED can develop if basic insurability criteria are met, including the capability to estimate the severity of ED outbreaks with associated uncertainty. The U.S. farm‐raised channel catfish (Ictalurus punctatus) industry was used to evaluate the feasibility of using a disease spread simulation modeling framework to estimate the potential losses from new ED for agricultural insurance purposes. Two stochastic models were used to simulate the spread of ED between and within channel catfish ponds in Mississippi (MS) under high, medium, and low disease impact scenarios. The mean (95% prediction interval (PI)) proportion of ponds infected within disease‐impacted farms was 7.6% (3.8%, 22.8%), 24.5% (3.8%, 72.0%), and 45.6% (4.0%, 92.3%), and the mean (95% PI) proportion of fish mortalities in ponds affected by the disease was 9.8% (1.4%, 26.7%), 49.2% (4.7%, 60.7%), and 88.3% (85.9%, 90.5%) for the low, medium, and high impact scenarios, respectively. The farm‐level mortality losses from an ED were up to 40.3% of the total farm inventory and can be used for insurance premium rate development. Disease spread modeling provides a systematic way to organize the current knowledge on the ED perils and, ultimately, use this information to help develop actuarially sound agricultural insurance policies and premiums. However, the estimates obtained will include a large amount of uncertainty driven by the stochastic nature of disease outbreaks, by the uncertainty in the frequency of future ED occurrences, and by the often sparse data available from past outbreaks.     

Training and organizational commitment: exploring the moderating role of goal orientation in the Lebanese context

In this study, we investigated the impact of organizational training on organizational commitment and whether goal orientation moderates the relationship between training and commitment. The sample consisted of 124 employees from different industries in the country of Lebanon. Multiple regression and hierarchical moderated regression were used to test hypotheses. The results of the analysis showed that training has a significant effect on organizational commitment. Moderation analysis showed that the relationship between training and affective commitment was stronger for individuals who had higher levels of learning goal orientation. Performance goal orientation failed to moderate the relationship between training and affective commitment. Ultimately, this suggests that advanced training offered to individuals with performance goal orientations may not necessarily increase their commitment to their employer, in contrast to individuals with learning goal orientations. Theoretical and management implications in the context of Lebanon are proposed.     

Logit模型在企业兼并市场绩效评价中的应用

本文采用后芝加哥学派对垄断的定义,设计了一个基于Logit模型的消费者需求函数,通过数值模拟的方法计算差异化产品企业兼并产生的市场绩效,最后用一组模拟数据对整个评价过程进行了检验。结果表明,一些导致市场集中度大幅上升的企业兼并,由于节约了边际成本,使兼并后企业的利润和竞争力大大提高,但并不会抬高相关市场的价格水平对消费者无害,因此不存在垄断效应。     

制造业设备维护与管理的相对有效性评估

在设备维护与管理的评估中引入数据包络分析,以此为核心构建了设备维护与管理相对有效性的评估方法。该方法在系统功能建模的基础上,全面分析了设备维护与管理作为服务系统的投入与产出构成,以数据包络分析为计算模型完成了设备维护与管理有效性的评估。该方法满足了设备维护与管理评估全面性和客观性的要求,其有效性和可信度通过在某石化企业的应用得到了验证。     

飞行员模拟机复训计划优化模型研究

根据民航有关规定,飞行员每6个日历月需要参加一次模拟机复训.公司制定模拟机复训计划,要考虑模拟机资源、教员资源、生产任务允许模拟机复训的人数和飞行员训练适宜期,本文以机长和副驾驶配组数最大化和训练/检查月内参加复训人数最大化为目标,在此基础上建立了多目标规划问题,仅考虑配组目标时,给出了不存在隔月配组的条件.根据不同的目标,本文研究对象可分解为两个经典网络规划子问题,文中给出了求解的方法,并给出了一个实际案例.     

上市公司董事会业绩评价模型

阐述了开发上市公司董事会业绩评价模型的意义,建立了业绩评价指标体系,并介绍了业绩评价模型实现的思想,描述了模糊综合评价系统的综合评价机理,最后给出了应用实例。应用实例表明,该模糊综合评价系统计算速度快、结果表达清楚、显示方式直观灵活。     

An Evaluation of Staff Preference for Graphic Characteristics

The purpose of the current study was to assess staff preference for how data were displayed on graphs. Specifically, preference for line versus bar graphs was assessed, as well as preference for data displayed as one date in time versus multiple dates showing performance trends. A secondary purpose of the study was to assess staff comprehension of the data presented across different graphic displays. Participants included 60 entry-level direct care staff and 25 seasoned therapists. Therapists had more advanced training in applied behavior analysis than the direct care staff. The vast majority of direct care staff preferred data depicted as a bar graph versus data depicted as a line graph, even preferring a single bar graph over a time-series line graph. The therapists preferred time-series line graphs to bar graphs. Most staff demonstrated understanding of the data, regardless of how it was depicted.     

Evaluation of Proactive and Reactive Strategies for Polio Eradication Activities in Pakistan and Afghanistan

Only Pakistan and Afghanistan reported any polio cases caused by serotype 1 wild polioviruses (WPV1s) in 2017. With the dwindling cases in both countries and pressure to finish eradication with the least possible resources, a danger exists of inappropriate prioritization of efforts between the two countries and insufficient investment in the two countries to finish the job. We used an existing differential‐equation‐based poliovirus transmission and oral poliovirus (OPV) evolution model to simulate a proactive strategy to stop transmission, and different hypothetical reactive strategies that adapt the quality of supplemental immunization activities (SIAs) in response to observed polio cases in Pakistan and Afghanistan. To account for the delay in perception and adaptation, we related the coverage of the SIAs in high‐risk, undervaccinated subpopulations to the perceived (i.e., smoothed) polio incidence. Continuation of the current frequency and quality of SIAs remains insufficient to eradicate WPV1 in Pakistan and Afghanistan. Proactive strategies that significantly improve and sustain SIA quality lead to WPV1 eradication and the prevention of circulating vaccine‐derived poliovirus (cVDPV) outbreaks. Reactive vaccination efforts that adapt moderately quickly and independently to changes in polio incidence in each country may succeed in WPV1 interruption after several cycles of outbreaks, or may interrupt WPV1 transmission in one country but subsequently import WPV1 from the other country or enable the emergence of cVDPV outbreaks. Reactive vaccination efforts that adapt independently and either more rapidly or more slowly to changes in polio incidence in each country may similarly fail to interrupt WPV1 transmission and result in oscillations of the incidence. Reactive strategies that divert resources to the country of highest priority may lead to alternating large outbreaks. Achieving WPV1 eradication and subsequent successful OPV cessation in Pakistan and Afghanistan requires proactive and sustained efforts to improve vaccination intensity in under‐vaccinated subpopulations while maintaining high population immunity elsewhere.