MDEWMA chart: an efficient and robust alternative to monitor process dispersion

Control chart is the most important statistical process control tool used to monitor changes in process location and dispersion. In this study, an EWMA control chart is proposed for efficient and robust monitoring of process dispersion. The proposed chart, namely the MDEWMA chart, is based on estimating the process standard deviation (σ) using the mean absolute deviations (MD), taken from the sample median. The performance of the proposed chart has been compared with the EWMASR chart (a dispersion EWMA chart based on sample range) and MD chart (a Shewhart-type dispersion chart based on MD), under the existence and violation of normality assumption. It has been observed that the proposed MDEWMA chart is more efficient and robust when compared with both EWMASR and MD charts in terms of run length (RL) characteristics such as average RL, median RL and standard deviation of the RL distribution.     

Analysis of Social Planning Problems: A New Design for a Component of the Community Organization Curriculum

This paper identifies and discusses specific strategies for incorporating information relevant to the effects of racism and ageism in our society into the curricula of social work programs. Content related to the existing policies, programs, and the special needs of the aged, including the minority aged, should be integrated into the class and field experiences of social work students and practitioners. The importance of positively altering existing perceptions of the strengths and needs of groups subject to the jeopardies of age and race is emphasized.     

Privacy violations and procedural justice in the United States prisons and jails

Through constitutional amendments and case law, the United States citizens receive privacy protections. These same protections do not exist for individuals incarcerated in prisons and jails. Instead, their privacy rights are regularly replaced by larger institutional concerns for security, safety, and control. Such privacy violation measures may include electronic surveillance, recording of phone calls, opening/reading of mail, and searches of their person, cell, and property. Although it is expected that incarcerated individuals have fewer privacy rights than nonincarcerated citizens, some privacy violations may be perceived as procedurally unjust due to their severity and infringement upon incarcerated individuals' rights to dignity and respect. This has implications for the well-being of incarcerated individuals, the legitimacy of correctional officers, and as a result, the potential safety and security of institutions.     

The analysis of unreplicated factorial experiments from a geometric perspective

The author investigates the analysis of unreplicated factorial experiments from a geometric perspective. He considers more specifically a (k + 1)‐run experiment used to estimate k orthogonal contrasts. He observes that once centered and scaled to unit length, the response vector can be viewed as a point on the unit sphere in the vector space spanned by the contrasts. In this context, a model selection procedure is equivalent to a partition of the unit sphere into regions corresponding to the different models considered. The author exploits this approach to gain useful insights into the analysis of such experiments.     

A mixed methods study: Midlife African American women’s knowledge,beliefs, and barriers to well-woman visit,flu vaccine,and mammogram use

ABSTRACT

African American women (AAW) are particularly at risk for deleterious health outcomes that might be mitigated through increased preventive care use. A mixed methods study that examined relationships between knowledge of, beliefs about, and barriers to well-woman visits, flu vaccines, and mammograms was conducted with midlife AAW who participated in an online survey (n = 124) and in-depth interviews (n = 19). Findings showed that greater knowledge of preventive service recommendations and positive patient-provider relationships were associated with greater preventive service use. Flu vaccines were significantly underused. Study implications inform strategies to increase preventive care utilization among AAW and increase capacities to improve health disparities.