Degree Discipline

Negative affect, introversion and physiological markers of cardiovascular disease. (open access)

Negative affect, introversion and physiological markers of cardiovascular disease.

Cardiovascular risk factors have expanded to include personality and other psychological characteristics. Negative affect (NA) has a longstanding history in cardiovascular health, but the path by which NA leads to cardiovascular disease (CVD) is yet to be defined. The following study examined the relationship of high NA and low extroversion (EX) with physiological cardiovascular markers in a sample of non-medical, professional adults. Our results indicated that individuals high in NA and low in EX displayed a significantly lower platelet count and a significantly higher mean platelet volume. Individuals high in NA displayed a significantly lower cholesterol risk ratio, while individuals high in EX displayed significantly higher platelet counts. Personality was not significantly related to blood pressure, high or low density lipoproteins. Understanding the relationships among psychological variables and physiological markers will help clinical researchers design interventions that reduce the likelihood of CVD.
Date: August 2008
Creator: Martin, Luci A.
System: The UNT Digital Library
The Effects of Sequential Versus Referential Montage Neurofeedback Amplitude Training on Qeeg Measures of Phase and Coherence. (open access)

The Effects of Sequential Versus Referential Montage Neurofeedback Amplitude Training on Qeeg Measures of Phase and Coherence.

An important clinical research question to be answered in the field of neurofeedback (NF) is whether amplitude training affects connectivity between cortical sites. This study hypothesizes that, following NF amplitude training, there will be a difference in QEEG coherence and phase measures between NF training done using referential montages and using sequential montages. The study examined case files of 16 adult clients from the University of North Texas Neurotherapy Lab who had received NF training that consisted of either referential or sequential placement amplitude training (no coherence training) and who received both pre- and post- treatment QEEGs. Sixty-eight percent of the cases consisted of referential placements, while 34% of the cases consisted of sequential placements. All frontal site phase and coherence abnormal z-scores at pre-treatment were converted to deviation scores and compared by general linear model analysis of variance to post-treatment deviation scores. Effect size r-values and eta square values indicate that differences between referential and sequential electrode placements after NF amplitude training are moderately high. This study shows that referential placements tend to increase phase scores and decrease coherence scores, while sequential placements tend to decrease phase scores and increase coherence scores.
Date: August 2008
Creator: Ramezani, Amir
System: The UNT Digital Library
Pediatric feeding disorders: Efficacy of multidisciplinary inpatient treatment of gastrostomy tube dependent children. (open access)

Pediatric feeding disorders: Efficacy of multidisciplinary inpatient treatment of gastrostomy tube dependent children.

Efficacy of multidisciplinary inpatient treatment of feeding disordered children was sought through retrospective chart review of 40 G-tube dependent children ages 22 months to 7 years. Premature births were 55% of the sample ranging from 23 to 36 weeks gestation. The majority of co-occurring medical conditions included congenital anomalies (50%), gastroesophageal reflux disease (25%) and chronic lung disease (25%). Treatment effect analyzed from pre and post treatment measures of oral and G-tube caloric intakes resulted in a significant difference from admission to discharge for both oral intake, t (39) = 5.76, p < 0.001, d = 1.02, and G-tube dependency, t(39) = 10.94, p < 0.001, d = 2.03 with both showing strong treatment effects. Results indicated a highly reliable and valid method of treating severe pediatric feeding disorders.
Date: August 2008
Creator: Cornwell, Sonya
System: The UNT Digital Library
Women's erotic rape fantasies. (open access)

Women's erotic rape fantasies.

This study evaluated the rape fantasies of a female undergraduate sample (N = 355) using a sexual fantasy checklist, a sexual fantasy log, a rape fantasy scenario presentation, and measures of personality. Results indicated that 62% of women have had a rape fantasy. For these women, the median rape fantasy frequency was about four times per year, with 14% of participants reporting that they had rape fantasies at least once a week. Further, rape fantasies exist on a continuum between erotic and aversive, with 9% completely aversive, 45% completely erotic, and 46% both erotic and aversive. Women who are more erotophilic, open to fantasy, and higher in self-esteem tended to have more frequent and erotic rape fantasies than other women. The major theories that have been proposed to explain why women have rape fantasies were tested. Results indicated that sexual blame avoidance and ovulation theories were not supported. Openness to sexuality, sexual desirability, and sympathetic activation theories received partial support.
Date: August 2008
Creator: Bivona, Jenny M.
System: The UNT Digital Library
Affective and cognitive components of job satisfaction: Scale development and initial validiation. (open access)

Affective and cognitive components of job satisfaction: Scale development and initial validiation.

Job satisfaction is one of the most commonly studied variables in the organizational literature. It is related to a multitude of employee-relevant variables including but not limited to performance, organizational commitment, and intent to quit. This study examined two new instruments measuring the components of affect and cognition as they relate to job satisfaction. It further proposed including an evaluative (or true attitudinal) component to improve the prediction of job satisfaction. Results provide some evidence of both two and three factor structures of affect and cognition. This study found minimal support for the inclusion of evaluation in the measurement of job satisfaction. Affect was found to be the single best predictor of job satisfaction, regardless of the satisfaction measure used. Further development is needed to define the factor structures of affect and cognition as well as the role of these factors and evaluation in the prediction of job satisfaction.
Date: August 2008
Creator: Tekell, Jeremy Kyle
System: The UNT Digital Library