18 resultados para Quantitative Research

em Digital Commons @ DU | University of Denver Research


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While psychology recognizes and celebrates multicultural diversity connoting the inclusivity of all, it seems to ignore sociopolitical and religious diversity. Within contemporary multiculturalism, conservative voices are often found wanting. In this study, a "liberal" privilege survey was developed to examine the inclusion and limits of conservative ideology within the multicultural paradigm of psychology training programs and workplaces. It was hypothesized that mental health professionals who identified as more conservative would express more oppression of views/values in their workplace than individuals who did not identify as being conservative and those who identified as more liberal would express bias and concerns against those holding conservative views. Results did not support an overall generalization of conservative bias or intolerance, but did provide some evidence of discontent among individuals holding more conservative religious and sociopolitical values. Overall, findings reinforce the need for gathering more data on sociopolitical and religious variables within the context of multiculturalism and broadening the dialogue on diversity issues surrounding sociopolitical views and bias among colleagues and in training programs.

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A meta-analysis was conducted to examine the effectiveness of 55 treatment outcomes reported by military and Veterans Affairs (VA) treatment centers for combat-related posttraumatic stress disorder (PTSD). The analysis includes 46 tested treatment outcomes derived from 21 psychotherapy studies, and nine tested treatment outcomes derived from seven pharmacotherapy studies, which were obtained through PsychINFO and PsychARTICLES database searches, as well as a reference search. Analysis of all treatment outcomes suggested a statistically significant, and meaningful, decrease in PTSD symptoms between baseline and post-treatment time points, t(54) = 9.27, p < .001, d = 0.35. Additionally, analysis of outcomes between psychotherapy and pharmacotherapy treatments resulted in statistically significant differences in PTSD assessment scores at post-test, indicating a greater degree of change for psychotherapy than for pharmacotherapy.

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Art therapy is an increasingly popular treatment modality with various mental health professionals; however, despite its increasing popularity and utilization, the field suffers from a continued lack of empirically validated studies that demonstrate its effectiveness. Thus, this study performed a meta-analysis on studies that utilized therapeutic art interventions with depressive symptoms in order to produce an overall effect size (ES) regarding the effectiveness of art therapy on depression. Additionally, this study attempted to determine moderating factors that might influence the magnitude of the ES. The present meta-analysis included 18 published and unpublished studies that produced a significant (p=0.001) ES of -1.10 (95% Confidence Interval (CI) of -1.64 to -0.56), thus demonstrating that art therapy has a large effect on the reduction of depression-related symptoms in participants. The results of this analysis are comparable to other meta-analyses of psychotherapeutic treatments for depression (Mazzucchelli, Kane, & Rees, 2009; Gloaguen, Cottraux, Cucherat, & Blackburn, 1998; Cuijper, van Straten, Andersson, & van Oppen, 2008). This study also covers clinically relevant issues regarding treating depression with art therapy and makes recommendations for further research.

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The relative popularity of acceptance and commitment therapy (ACT) has grown in recent years, and inspired the development of contemporary acceptance-based treatment approaches. Acceptance-based therapies differ from traditional cognitive- behavior therapy (CBT) on pragmatic grounds, the import of which implicates the purpose of therapy. CBT utilizes exposure and cognitive change techniques primarily in service of symptom change outcomes; whereas, ACT utilizes exposure and acceptance for purposes of promoting psychological flexibility in the pursuit of personal values. The purpose of this meta-analytic study was to determine the relative efficacy of acceptance- based versus symptom-change behavioral approaches with anxiety disorders and to quantify this impact. A comprehensive literature search turned up 18 studies that met inclusion criteria for this analysis. An effect size was calculated using the standardized mean gain procedure for both the acceptance-based and symptom-change approaches, along with the waitlist control groups. The results demonstrate a large effect size for the acceptance-based approach (Weighted mean ES = .83) and a medium effect size for symptom-change approach (Weighted mean ES = .60). The waitlist control groups demonstrated a small effect size (Weighted mean ES = .24). Based on this review, it is suggested that graduate and internship programs in Clinical Psychology should promote evidence-based training in the use of acceptance-inspired behavioral therapies.

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Men who have sex with men (MSM) remain most at risk for developing HIV infection. The best prevention in this population is to identify risk factors associated with unprotected sex. Recent research suggests that sexual sensation seeking (SSS) and level of average drinking moderates the relationship between drinking alcohol in the context of sex and risky sexual behavior in a young MSM population (ages 16-20). Current study is an exploratory analysis using multilevel modeling to examine if these results are consistent across a MSM population with a wider range of ages who are also heavy drinkers. Participants (n = 181) included MSM (ages 18-75 years) from a longitudinal clinical research trial. Results indicate that MSM with higher SSS were more likely to have unprotected anal sex if they drank alcohol 3 hours prior to sex than those who did not, (OR = 1.07; 95% CI: 1.03 – 1.12). There was no significant interaction effect for average levels of drinking.

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The utilization of symptom validity tests (SVTs) in pediatric assessment is receiving increasing empirical support. The Rey 15-Item Test (FIT) is an SVT commonly used in adult assessment, with limited research in pediatric populations. Given that FIT classification statistics across studies to date have been quite variable, Boone, Salazar, Lu, Warner-Chacon, and Razani (2002) developed a recognition trial to use with the original measure to enhance accuracy. The current study aims to assess the utility of the FIT and recognition trial in a pediatric mild traumatic brain injury (TBI) sample (N = 112; M = 14.6 years), in which a suboptimal effort base rate of 17% has been previously established (Kirkwood & Kirk, 2010). All participants were administered the FIT as part of an abbreviated neuropsychological evaluation; failure on the Medical Symptom Validity Test (MSVT) was used as the criterion for suspect effort. The traditional adult cut-off score of(99%), but poor sensitivity (6%). When the recognition trial was also utilized, a combination score of(sensitivity = 64%, specificity = 93%). Results indicate that the FIT with recognition trial may be useful in the assessment of pediatric suboptimal effort, at least among relatively high functioning children following mild TBI.

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This study examined the effects of eight weekly lessons of therapeutic horseback riding (THR) on five children between the ages of 6 and 12 years who displayed behavioral issues, mood disturbance, relationship issues, or other mental health disorders. All of the children's parents/caregivers completed the Child Behavior Checklist for Ages 6-18 at the onset of the lessons and at the conclusion of the lessons. The children did not show any significant improvement on the Internalizing, Externalizing, Total Problems scales or the syndrome scales. However, comparisons between the pre-test and post-test scores on the Behavior scale and the Externalizing scale showed positive trends which warrant further study. The lack of significance in the data suggests that a greater participant population or a mixed method study using a combination of quantitative and qualitative strategies may yield more conclusive results.

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Objective: The aim of this study was to gain a better understanding of the needs of male and female oncology patients within a community cancer setting to inform the provision of psychosocial services. Data obtained from 835 single-page measures of oncology patient distress were collected and analyzed to examine the relationship between gender and reported level of distress, the source of this distress, and requests for follow-up from psychosocial service providers.Method: Patients in medical and radiation oncology were given a distress screener tool that included a distress thermometer, a problem checklist, and a list of psychosocial service providers with whom the patient could request to speak.Results: Women reported higher levels of distress than men (p=.003). Women were also more likely than men to endorse practical problems as the cause of their distress (p=.003). A marginally significant relationship between gender and requesting the cancer resource navigator was also found (p=. 059)Conclusion: Gender is a salient factor in reported distress among cancer patients. Although no single variable can entirely explain an individual's response to cancer, male and female patients do appear to have distinctive, gender-specific needs. Psychosocial interventions that account for differences related to gender-role may be particularly beneficial. These results also illustrate the utility of consistent screening practices to better understand and meet the psychosocial needs of oncology

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Results of neuropsychological examinations depend on valid data. Whereas clinicians previously believed that clinical skill was sufficient to identify non-credible performance by examinees on standard tests, research demonstrates otherwise. Consequently, studies on measures to detect suspect effort in adults have received tremendous attention in the previous twenty years, and incorporation of validity indicators into neuropsychological examinations is now seen as integral. Few studies exist that validate methods appropriate for the measurement of effort in pediatric populations. Of extant studies, most evaluate standalone measures originally developed for use with adults. The present study examined the utility of indices from the California Verbal Learning Test – Children's Version (CVLT-C) as embedded validity indicators in a pediatric sample. Participants were 225 outpatients aged 8 to 16 years old referred for clinical assessment after mild traumatic brain injury (mTBI). Non-credible performance (n = 39) was defined as failure of the Medical Symptom Validity Test (MSVT). Logistic regression demonstrated that only the Recognition Discriminability index was predictive of MSVT failure (OR = 2.88, p < .001). A cutoff of z ≤ -1.0 was associated with sensitivity of 51% and specificity of 91%. In the current study, CVLT-C Recognition Discriminability was useful in the identification of non-credible performance in a sample of relatively high-functioning pediatric outpatients with mTBI. Thus, this index can be added to the short list of embedded validity indicators appropriate for pediatric neuropsychological assessment.

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Widely held clinical assumptions about self-harming eating disorder patients were tested in this project. Specifically, the present study had two aims: (1) to confirm research that suggests patients with self-injurious behavior exhibit greater severity in eating disorder symptomology; and (2) to document the treatment course for these patients (e.g. reported change in eating disorder attitudes, beliefs, and behaviors) from admission to discharge. Data from 43 participants who received treatment at a Partial Hospitalization Program (PHP) for Eating Disorders were used in the current study. The length of treatment required for study inclusion reflected mean lengths of stay (Williamson, Thaw, & Varnardo-Sullivan, 2001) and meaningful treatment lengths in prior research (McFarlane et al., 2013; McFarlane, Olmsted, & Trottier, 2008): five to eight weeks. Scores on the Eating Disorder Inventory-III (Garner, 2004) at the time of admission and discharge were compared. These results suggest that there are no significant differences between eating disordered patients who engage in self-injury and those who do not in terms of symptom severity or pathology at admission. The results further suggest that patients in both groups see equivalent reductions in symptoms from admission to discharge across domains and also share non-significant changes in emotional dysregulation over the course of treatment. Importantly, these results also suggest that general psychological maladjustment is higher at discharge for eating disordered patients who engage in self-injury.

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The impact of comorbid substance abuse and eating disorder diagnoses in an eating disorder treatment facility remains uncertain. Recent data suggest that in a substance abuse treatment setting, patients with comorbid eating disorders fared less favorably than patients without a comorbid diagnosis (Cohen et al., 2010; Glasner-Edwards et al., 2011). The purpose of this study is to compare eating disorder symptoms over the course of treatment for patients with and without comorbid substance abuse diagnoses in an eating disorder treatment facility. Archival data from an eating disorder treatment facility was used. Twenty-seven women with comorbid eating disorder and substance abuse diagnoses (EDSUD) were compared to twenty-seven women with an eating disorder diagnosis (ED) only. The subjects were compared on three scales from the Eating Disorder Inventory-III (EDI-3) by group, and pre- and post-treatment. The scales were Personal Alienation (PA), Interoceptive Deficits (ID), and Emotional Dysregulation (EmD). There was a significant decrease in symptoms post-treatment for all subjects on the PA and ID scales, and there was a significant difference between the EDSUD subjects and ED subjects on two scales. EDSUD subjects fared significantly less favorably on the ID and EmD scales. Women with EDSUD report more symptoms of Interoceptive Deficits and Emotional Dysregulation when compared to women with an ED diagnosis and no comorbid substance use. Subjects benefited from treatment in terms of less Personal Alienation and Interoceptive Deficits.

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Purpose: The primary goal of this exploratory study is to demonstrate that distress screening across the course of cancer treatment is possible and provides valuable information about patient needs over time. Distress screening is aligned with guidelines from national accrediting organizations and may lead to improved health-related quality of life, satisfaction with medical care, and possibly survival.Methods: Medical, surgical, and radiation oncology patients completed a screening instrument before their appointments during a six-month period. Patients indicated their level of distress on four domains (practical, emotional, health and social concerns). De-identified data was collected, aggregated and descriptive statistics were analyzed.Results: Approximately 3000 screens were collected and 1500 cancer patients were screened. Of patients who indicated distress, 54% demonstrated a distress level of five or greater. Distress level eight was the most frequent level of distress indicated. The Cancer Dietitian was the most commonly requested healthcare team provider. The Health Concern domain was most frequently endorsed.Conclusion: NCCN, IOM and COC guidelines recommend distress screening in all cancer treatment centers, however implementation has proven difficult. This study adds to the literature about distress in cancer patients, demonstrates the feasibility of repeated distress screening and provides a model program demonstrating the implementation of repeated distress screening at a community cancer center. Findings highlight the importance of supportive oncology services due to the prevalence of high levels of distress. Findings demonstrate the importance of the Cancer Dietitian in supportive cancer care. Additionally, the research reveals a potential perceived stigma in seeking psychosocial oncology services.

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With more racial minorities entering the field of clinical psychology, the training needs of racial minority students in doctoral programs must be considered. Few studies address training in multicultural education from the perspective of racial minority students despite their increasing presence in the field. This may be due to assumptions educators make based on their level of competency in the area of multiculturalism. Thus, the goal of this exploratory study is to help determine the multicultural training needs of racial minorities enrolled in clinical psychology programs. This exploratory study was quantitative and used snowball sampling to survey racial minority trainees in doctoral programs in clinical psychology. Sixty one participants completed the survey. Results indicated that multicultural/diversity classes are valued by racial minority students and are relevant to them. However, the majority of students do not feel challenged, suggesting that their needs are not being fully met. It is recommended that their unique needs be included in the curriculum for multicultural education.

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Concussive injuries appear to be becoming a more common occurrence among athletes. While many studies have assessed the short-term and long-term effects of concussive injuries, fewer studies have specifically addressed the impact of multiple concussive injuries within a high school population. Through the use of the Immediate Post-Concussion Assessment and Cognitive Testing measure (ImPACT), this study investigated differences in a sample of 946 high school athletes with varying concussive histories (multiple concussions vs. single concussion vs. no concussion) at baseline and following sustaining a concussive injury. An additional analysis was conducted with athletes who obtained two concussions within the study to assess for trends in symptomology between their first and second injuries. For both baseline and study concussed athletes, athletes with multiple concussive injuries did not exhibit significantly elevated self-report symptoms nor decreased ImPACT composite scores compared to the other groups. Analysis of data from athletes who sustained more than one concussion within the study, revealed an increase in self-report symptoms and a decrease in ImPACT performance from time 1 to time 2. However, these changes were small in magnitude and were not consistently exhibited across the variables under investigation. Overall, this study did not find compelling evidence of increased symptomological patterns or decreased functioning for multiple concussed athletes as compared to peers.

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Eating disorders present a significant physical and psychological problem with a prevalence rate of approximately six percent in the United States. Despite the extensive literature, identifying the consistent risk factors for predicting the course of treatment in eating disorders remains difficult. The present study explores the use of a standardized assessment, using the consistently validated Eating Disorder Inventory-III (EDI-3), in predicting treatment outcome. Specifically, the study investigates the particular scale of Maturity Fears (MF) on the EDI-3, hypothesizing that higher scores on the MF scale would predict lower rates of recovery and treatment completion. The participants were 52 eating disorder patients (19 AN, 18 BN, and 15 EDNOS), consecutively admitted to a five-month long intensive outpatient program (IOP). The participants completed an EDI-3 self-report at pre and post treatment, and their score on the MF scale did not show a significant predictive relationship to treatment completion or change in symptoms, as measured by the Eating Disorder Risk Composite (EDRC) scale on the EDI-3. This finding primarily suggests that maturity fears are not a significant predictive factor in an outpatient setting with adults, as compared to previous studies that found a relationship between maturity fears and treatment outcome, primarily with adolescent and inpatient populations.