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Employee Perceptions Of Well-Being Programs, Alice V. Edwards, Susan Marcus 2018 Walden University

Employee Perceptions Of Well-Being Programs, Alice V. Edwards, Susan Marcus

Journal of Social, Behavioral, and Health Sciences

Measuring the effectiveness of well-being programs in the workplace is important for optimizing the return on investment and selection of programs that meet organizational objectives. A pilot study was performed to assess employee well-being using the Happiness Mini-Survey and a one-sample pre–post study design intended to quickly allow employees to subjectively rate their well-being before and after participating in various classes as part of a well-being program. The findings demonstrated statistical significance in employee subjective ratings; they reported feeling better emotionally, physically, and mentally after participating in the classes. The employees’ self-rating for stress level also had statistically significant ...


The Role Of Meaning-Making In Posttraumatic Growth Among Eritrean Refugees With Posttraumatic Stress Disorder, Yacob Tewolde Tekie 2018 University of Tennessee, Knoxville

The Role Of Meaning-Making In Posttraumatic Growth Among Eritrean Refugees With Posttraumatic Stress Disorder, Yacob Tewolde Tekie

Doctoral Dissertations

The study examined the moderating role of meaning made, meaning making and social support on the relationship between negative life events and posttraumatic stress disorder (PTSD), anxiety and depression as well as the facilitating role of these moderating variables for posttraumatic growth(PTG). Eritrean refugees (N = 135) who were residing in Europe were recruited. The results showed that post-migration living difficulties significantly related with negative outcomes. In addition, the results showed that social support moderated the relationship between the number of traumatic life events and anxiety symptoms. However, meaning made and social support were not significant moderators on the relationship ...


A Comparison Of Alternative Bias-Corrections In The Bias-Corrected Bootstrap Test Of Mediation, Donna Chen 2018 University of Nebraska-Lincoln

A Comparison Of Alternative Bias-Corrections In The Bias-Corrected Bootstrap Test Of Mediation, Donna Chen

Public Access Theses and Dissertations from the College of Education and Human Sciences

Although the bias-corrected (BC) bootstrap is an oft recommended method for obtaining more powerful confidence intervals in mediation analysis, it has also been found to have elevated Type I error rates in conditions with small sample sizes. Given that the BC bootstrap is used most often in studies with low power due to small sample size, the focus of this study is to consider alternative measures of bias that will reduce the elevated Type I error rate without reducing power. The alternatives examined fall under two categories: bias correction and transformation. Although the bias correction methods did not significantly decrease ...


Measuring Symmetry In Real-World Scenes Using Derivatives Of The Medial Axis Radius Function, Morteza Rezanejad, John D. Wilder, Kaleem Siddiqi, Sven Dickinson, Allan Jepson, Dirk B. Walther 2018 McGill University

Measuring Symmetry In Real-World Scenes Using Derivatives Of The Medial Axis Radius Function, Morteza Rezanejad, John D. Wilder, Kaleem Siddiqi, Sven Dickinson, Allan Jepson, Dirk B. Walther

MODVIS Workshop

Symmetry has been shown to be an important principle that guides the grouping of scene information. Previously, we have described a method for measuring the local, ribbon symmetry content of line-drawings of real-world scenes (Rezanejad, et al., MODVIS 2017), and we demonstrated that this information has important behavioral consequences (Wilder, et al., MODIVS 2017). Here, we describe a continuous, local version of the symmetry measure, that allows for both ribbon and taper symmetry to be captured. Our original method looked at the difference in the radius between successive maximal discs along a symmetric axis. The number of radii differences in ...


Global Estimation Of Signed 3d Surface Tilt From Natural Images, Seha Kim, Johannes Burge 2018 University of Pennsylvania

Global Estimation Of Signed 3d Surface Tilt From Natural Images, Seha Kim, Johannes Burge

MODVIS Workshop

The ability of human visual systems to estimate 3D surface orientation from 2D retinal images is critical. But the computation to calculate 3D orientation in real-world scenes is not fully understood. A Bayes optimal model grounded in natural statistics has explained 3D surface tilt estimation of human observers in natural scenes (Kim and Burge, 2018). However, the model is limited because it estimates only unsigned tilt (tilt modulo 180deg). We extend the model to predict signed tilt estimates and compared with human signed estimates. The model takes image pixels as input and produces optimal estimates of tilt as output, using ...


Discovery Of Activities Via Statistical Clustering Of Fixation Patterns, Jeffrey B. Mulligan 2018 NASA Ames Research Center

Discovery Of Activities Via Statistical Clustering Of Fixation Patterns, Jeffrey B. Mulligan

MODVIS Workshop

No abstract provided.


Model Misspecification And Assumption Violations With The Linear Mixed Model: A Meta-Analysis, Brandon LeBeau, Yoon Ah Song, Wei Cheng Liu 2018 University of Iowa

Model Misspecification And Assumption Violations With The Linear Mixed Model: A Meta-Analysis, Brandon Lebeau, Yoon Ah Song, Wei Cheng Liu

Department of Psychological and Quantitative Foundations Publications

This meta analysis attempts to synthesize the Monte Carlo literature for the linear mixed model under a longitudinal framework. The empirical type I error rate will serve as the effect size and Monte Carlo simulation conditions will be coded to serve as moderator variables. The type I error rate for the fixed and random effects will be explored as the primary dependent variable. Effect sizes were coded from 13 studies, resulting in a total of 4,002 and 621 effect sizes for fixed and random effects. Meta-regression and proportional odds models were used to explore variation in the empirical type ...


Misspecification Of The Random Effect Structure: Implications For The Linear Mixed Model, Brandon LeBeau 2018 University of Iowa

Misspecification Of The Random Effect Structure: Implications For The Linear Mixed Model, Brandon Lebeau

Department of Psychological and Quantitative Foundations Publications

The linear mixed model is a commonly used model for longitudinal or nested data due to its ability to account for the dependency of nested data. Researchers typically rely on the random effects to adequately account for the dependency due to correlated data, however serial correlation can also be used. If the random effect structure is misspecified (perhaps due to convergence problems), can the addition of serial correlation overcome this misspecification and allow for unbiased estimation and accurate inferences? This study explored this question with a simulation. Simulation results show that the fixed effects are unbiased, however inflation of the ...


Assessing The Ordinality Of Response Bias With Item Response Models: A Case Study Using The Phq-9, Venessa N. Singhroy 2018 The Graduate Center, City University of New York

Assessing The Ordinality Of Response Bias With Item Response Models: A Case Study Using The Phq-9, Venessa N. Singhroy

All Dissertations, Theses, and Capstone Projects

Improper scale usage in psychological and clinical assessment is an important problem. If respondents do not use the scales in a consistent manner, the reliability of a composite is likely to be attenuated. This is particularly problematic when particular items are singled out for special treatment or when subscales are of interest, not just a total score. This study used both non-parametric and parametric item response theory (IRT) methods to gain further insight into the validity of the PHQ-9, a dual purpose instrument that assesses the severity of depressive symptoms using nine Likert-scale items and allows the investigator to establish ...


Systems Of Quantity Judgment In Various Species: A Meta-Analysis, Tiffany A. Woodard Baker 2018 University of Southern Mississippi

Systems Of Quantity Judgment In Various Species: A Meta-Analysis, Tiffany A. Woodard Baker

Dissertations

An abundance of behavioral and neuroimaging literature supports the presence of two cognitive systems for quantity judgments (Agrillo & Bisazza, 2014). In particular, small quantities are thought to be guided by the object-file system, a precise system that uses mental files to map onto real world objects, and large quantities by the approximate number system, an imprecise, estimation system (Dehaene, 1997). Evidence supporting both systems exists in a variety of species including nonhuman primates (Boysen & Hallberg, 2000), birds (Garland, Low, & Burns, 2012), amphibians (Uller, Jaeger, Guidry, & Martin, 2003), and fish (Agrillo, Dadda, Serena, Bisazza, 2009), but support may depend on species ...


Summer Camp As A Force For 21st Century Learning: Exploring Divergent Thinking And Activity Selection In A Residential Camp Setting, Myles Lynch, Jonathan A. Plucker, C Boyd Hegarty, Nate Trauntvein 2018 Johns Hopkins University

Summer Camp As A Force For 21st Century Learning: Exploring Divergent Thinking And Activity Selection In A Residential Camp Setting, Myles Lynch, Jonathan A. Plucker, C Boyd Hegarty, Nate Trauntvein

Education Scholarship

This study investigated change in divergent thinking (DT), an indicator of creative potential, at two gender-specific residential summer camps. Additionally, this study examined whether the change in DT varied by gender and by the type of activities campers self-select. Quantitative methods, using a quasi-experimental design was used in order to understand differences in camper scores. A total of 189 youth, 100 girls, 89 boys, between the ages of 9 and 14 years participated in the current study. Participants were administered a modified version of Guilford's (1967) alternate uses task, a measure of DT, in which respondents were asked questions ...


The Influence Of A Proposed Margin Criterion On The Accuracy Of Parallel Analysis In Conditions Engendering Underextraction, Justin M. Jones 2018 Western Kentucky University

The Influence Of A Proposed Margin Criterion On The Accuracy Of Parallel Analysis In Conditions Engendering Underextraction, Justin M. Jones

Masters Theses & Specialist Projects

One of the most important decisions to make when performing an exploratory factor or principal component analysis regards the number of factors to retain. Parallel analysis is considered to be the best course of action in these circumstances as it consistently outperforms other factor extraction methods (Zwick & Velicer, 1986). Even so, parallel analysis could benefit from further research and refinement to improve its accuracy. Characteristics such as factor loadings, correlations between factors, and number of variables per factor all have been shown to adversely impact the effectiveness of parallel analysis as a means of identifying the number of factors (Pearson ...


Risk Factors For Domestic Homicide: Immigrant & Canadian-Born Populations, Sakthi Kalaichandran 2018 The University of Western Ontario

Risk Factors For Domestic Homicide: Immigrant & Canadian-Born Populations, Sakthi Kalaichandran

Electronic Thesis and Dissertation Repository

Domestic violence is a critical human rights issue that can escalate to cases of domestic homicide. Globally, approximately 30% of women in relationships have reported experiencing violence at the hands of an intimate partner. In Canada this pattern is echoed, as over 25% of police-reported violent offences were from victims of domestic abuse. Recent research has revealed that immigrant & refugee victims experience unique risk factors that may render them more vulnerable to this form of violence. Yet, despite this burgeoning research area, and Canada’s diverse population of 6 million immigrants, there is a dearth of research pertaining to domestic ...


Attachment Styles And The Michelangelo Phenomenon: Role Of Individual Differences In Interpersonal Growth Striving, Laura Marika Patrick 2018 University of Kentucky

Attachment Styles And The Michelangelo Phenomenon: Role Of Individual Differences In Interpersonal Growth Striving, Laura Marika Patrick

Theses and Dissertations--Family Sciences

Michelangelo Phenomenon provides an interpersonal model of goal pursuits and suggests that close partners sculpt one another and help them move toward their ideal selves. Attachment theory also provides a parallel explanation of how close others can help one another move toward their goals. The purpose of the current research was to look at the influence of attachment on the Michelangelo Phenomenon and test whether it best fit as a predictor, mediator, or moderator. The hypotheses were tested across three studies (two longitudinal and one cross-sectional) using a maximum likelihood estimation path analysis following APIM assumptions. The results provided strong ...


Effects Of Occupational Stress On Decision-Making Style In Law Enforcement Officers, Christine M. Crippen 2018 Walden University

Effects Of Occupational Stress On Decision-Making Style In Law Enforcement Officers, Christine M. Crippen

Walden Dissertations and Doctoral Studies

Police officers deal with a variety of stresses from different sources. Organizational stresses have the most effect on police officers, often more than stressful critical incidents. Previous research has indicated that over time, the mundane organizational and operational stresses of the job can result in a variety of effects from psychological to physiological, and this stress can impact police performance and public safety. However, there remains an important gap in the current literature regarding the impact of stress on the decision-making style of police officers. Police officers often make split-second decisions that can affect their life, the public, and other ...


Religious Orientation And Communication As Predictors On Military Spouses' Perception Of Marital Happiness After A Second Deployments, Stephanie Santana 2018 Walden University

Religious Orientation And Communication As Predictors On Military Spouses' Perception Of Marital Happiness After A Second Deployments, Stephanie Santana

Walden Dissertations and Doctoral Studies

Military spouses are often left at home when their service member deploys to areas outside the United States. These deployments can have a lasting impact on the military spouses' perception of marital happiness. Communication problems can occur within the marriage and military spouses may use their religious orientation to alleviate the stress that comes from deployments. This quantitative study used an online survey method to conduct bivariate correlations and multiple regression analysis from a sample of 128 military spouses. This study focused on the family stress theory and used the Kansas Marital Satisfaction Scale, Extrinsic and Intrinsic Religious Orientation Scale ...


Differentiating Theists And Nontheists By Way Of A Sampling Of Self-Reported Sexual Thoughts And Behaviors, Kelli Callahan 2018 Walden University

Differentiating Theists And Nontheists By Way Of A Sampling Of Self-Reported Sexual Thoughts And Behaviors, Kelli Callahan

Walden Dissertations and Doctoral Studies

Numerous researchers have addressed the impact of individual religiosity or spirituality on psychological well-being. However, studies addressing the possible relationship between religiosity and sexuality, specifically in the form of deterrence of certain sexual thoughts or behaviors based upon religious dictates, remain sparse. Individual religiosity may be related to individual sexual self-expression. Built on the framework of cognitive-dissonance theory and self-determination theory, this quantitative, correlational study was designed to examine the relationships between religiosity and sexual attitudes and behaviors of both theist and nontheist population samples comprised of approximately 400 subjects throughout the United States. Study participants completed the Derogatis Sexual ...


Understanding Feeding Style And Young Children's Consumption Of Food, Mary W. Bean 2018 Walden University

Understanding Feeding Style And Young Children's Consumption Of Food, Mary W. Bean

Walden Dissertations and Doctoral Studies

Due to increased rates of childhood obesity since 2010, researchers have examined family environmental factors and family influences on children's consumption of healthy foods. While previous research has examined how factors such as food presentation and the food intake of other family members can predict a child's body mass index, there has been little research examining whether parent factors predict the amount of healthy foods children eat. This quantitative survey study examined whether certain parent factors, specifically parents' attitudes about food, parents' feeding styles, and parents' attachment styles, predicted the amount of fruits and vegetables children ate. Understanding ...


Individual Growth Through Forgiveness: A Multiple Case Study On The Process Of Forgiveness, Bianca Kazoun 2018 Walden University

Individual Growth Through Forgiveness: A Multiple Case Study On The Process Of Forgiveness, Bianca Kazoun

Walden Dissertations and Doctoral Studies

Psychology researchers have been gathering information regarding the positive effects of forgiveness, demonstrating that they contribute to better overall physical and emotional wellbeing. Individuals who have suffered a transgression can remain in a place of destructive anger and resentment for years. Long-term, these negative states can have deleterious effects emotionally, physically, and socially. Understanding how to help those who are suffering move past their victimization can have a positive impact. It is therefore important to conduct research to better understand forgiveness through the lived experience of individuals who have experienced some form of victimization. Using evolutionary psychology as the theoretical ...


A Phenomenological Analysis Of Formerly Incarcerated Women's Perceptions Of Successful Reentry, Angela Martilik 2018 Walden University

A Phenomenological Analysis Of Formerly Incarcerated Women's Perceptions Of Successful Reentry, Angela Martilik

Walden Dissertations and Doctoral Studies

Female offenders are distinctly different from male offenders, and present with their own gender-specific needs and issues both in and out of the correctional setting. Most approaches to treatment and programming for female offenders are currently based on research involving males and approaches designed for males. Inquiry regarding the gender-specific needs of female inmates as they pertain to treatment and reentry programs is necessary so professionals can better understand how to serve this population. Through in-depth semi-structured interviews with 8 women who were formerly incarcerated in the United States, this phenomenological study was used to examine the perceptions of successful ...


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