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  Partner: UNT Libraries
 Language: English
 Collection: UNT Theses and Dissertations
Negative affect and positive symptoms of psychosis.

Negative affect and positive symptoms of psychosis.

Date: December 2009
Creator: Crutchfield, Audra
Description: The current study utilized structural equation modeling (SEM) to examine the factor-to-factor relations and temporal associations between disturbances in negative affect (NA) and positive symptoms of psychosis (PP). Data were drawn from a large, public-domain data set (MacArthur Violence Risk Assessment Study). A dimensional approach was used to conceptualize and identify latent variables of NA (depression, anxiety, and guilt) and PP (hallucinations, delusions, and thought disorder) among individuals with a diagnosis of primary psychotic disorder. Results showed that anxiety, guilt, and depressed mood modeled an NA latent variable, and that hallucinations and unusual thought content modeled a PP latent variable. As predicted, results revealed strong, significant cross-sectional (synchronous) associations between NA and PP at each measured time-frame, suggesting that NA and PP occurred concurrently within the sample. Contrary to predictions, no significant cross-lagged effect between NA and PP was identified (10 weeks and 20 weeks respectively).
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Negative affect, introversion and physiological markers of cardiovascular disease.

Negative affect, introversion and physiological markers of cardiovascular disease.

Date: August 2008
Creator: Martin, Luci A.
Description: 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.
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Negotiating Environmental Relationships: Why Language Matters to Environmental Philosophy

Negotiating Environmental Relationships: Why Language Matters to Environmental Philosophy

Date: December 2003
Creator: Martin, Vernon J.
Description: The medium of language is important to environmental philosophy, and more specifically, to the establishment and understanding of environmental relationships. The differences between animal and human language point to our unique semantic range, which results from our neuro-linguistic process of signification. An examination of the linguistic implications of the problem of nature and the tenets of semiotics challenges the idea of a clean word to world fit. Because signs are the medium in which meaning is constructed, questions about nature must in part be questions of language. Environmental discourse itself is bound up in sociolinguistic productions and we must attend not only to what language says, but to what it does. NEPA functions as a speech act that systematically invokes an ethical framework by which it colonizes the domain of valuation and fails to provide a genuine opportunity for non-commodity values to be expressed.
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Negotiating Interests: Elizabeth Montagu's Political Collaborations with Edward Montagu; George, Lord Lyttelton; and William Pulteney, Lord Bath

Negotiating Interests: Elizabeth Montagu's Political Collaborations with Edward Montagu; George, Lord Lyttelton; and William Pulteney, Lord Bath

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Date: December 2009
Creator: Bennett, Elizabeth Stearns
Description: This dissertation examines Elizabeth Robinson Montagu's relationships with three men: her husband, Edward Montagu; George Lyttelton, first baron Lyttelton; and William Pulteney, earl of Bath to show how these relationships were structured and how Elizabeth Montagu negotiated them in order to forward her own intellectual interests. Montagu's relationship with her husband Edward and her friendships with Lord Lyttelton and Lord Bath supplied her with important outlets for intellectual and political expression. Scholarly work on Montagu's friendships with other intellectual women has demonstrated how Montagu drew on the support of female friends in her literary ambitions, but at the same time, it has obscured her equally important male relationships. Without discounting the importance of female friendship to Montagu's intellectual life, this study demonstrates that Montagu's relationships with Bath, Lyttleton, and her husband were at least as important to her as those with women, and that her male friendships and relationships offered her entry into the political sphere. Elizabeth Montagu was greatly interested in the political debates of her day and she contributed to the political process in the various ways open to her as an elite woman and female intellectual. Within the context of these male friendships, Montagu had an opportunity ...
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Negotiation, communication, and decision strategies used by hostage/crisis negotiators.

Negotiation, communication, and decision strategies used by hostage/crisis negotiators.

Date: May 2008
Creator: Hancerli, Suleyman
Description: By conducting this theory-based empirical study, gathering data from working negotiators in the US and Canada, I have determined what primary dynamic activities, communication skills, and negotiation tools are used by hostage/crisis negotiators. Negotiators implement their negotiation and decision strategies differently depending on whether the situations they deal with are instrumental or expressive. I have determined which elements of negotiations and factors affecting negotiations differ while handling instrumental and expressive hostage situations. I found that the collected data did not reveal any significant relationship between handling instrumental/expressive hostage situations differently and belief in the elements of Brenda Dervin's and Shannon-Weaver's theories. I have also determined that the belief in the elements of the Dervin's and Shannon-Weaver's theories is workable and practical for negotiators to use. Based on the above findings, the model suggested by this research adds the elements and directives of Dervin's and Shannon-Weaver's models to the common approach used by the negotiators. This revised model suggests that the negotiators pay attention to the dynamics of the interactions presented between the two parties: the negotiators themselves and hostage takers. The revised model also recommends that the negotiators focus on not only the hostage takers behavioral characteristics, psychological conditions, and ...
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The Negro as a Character in Recent American Fiction

The Negro as a Character in Recent American Fiction

Date: August 1936
Creator: Early, Minnie Lee
Description: This study aimed to assess the character in Recent American fiction. It concludes that writers of Negro literature have been quick to see the effectiveness of the use of Negro religious beliefs and practices in giving reality and substance to their racial pictures. Black men have to live in a white man's world. As a whole, contemporary American fiction gives a panorimic view of Negroes of almost every section.
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Neighborhood Cohesion and Disengagement Among Black and White Aged

Neighborhood Cohesion and Disengagement Among Black and White Aged

Date: August 1973
Creator: Taft, Harold E.
Description: This study is concerned with social factors related to neighborhood interaction and disengagement among elderly persons controlling for race. Utilizing a scale of neighborhood cohesion as an index of disengagement, it was hypothesized that racial groups would not differ significantly as to their respective levels of neighborhood cohesiveness and local interest. It was also hypothesized that age groups would not differ significantly as to their respective levels of neighborhood cohesiveness and local interest.
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NEPSY profiles in children diagnosed with different ADHD subtypes.

NEPSY profiles in children diagnosed with different ADHD subtypes.

Access: Use of this item is restricted to the UNT Community.
Date: December 2006
Creator: Couvadelli, Barbara
Description: The purpose of this study was to determine if attention-deficit/hyperactivity disorder (ADHD) subtypes (predominantly hyperactive/impulsive, ADHD-HI; predominantly inattentive, ADHD-IA; combined, ADHD-C) exhibit distinct neuropsychological profiles, using the Attention and Executive Function subtests of the Developmental Neuropsychological Assessment, (NEPSY) and the omission and commission scores obtained on the Conners' Continuous Performance Test-II (CPT-II), a test that assesses attention processes. The sample was selected using archival data collected in a neurodevelopmental clinic over the past decade and consisted of 138 children between the ages of 6 and 12 years old. Using the Diagnostic and Statistical Manual of Mental Disorders (4th ed.) (DSM-IV) criteria, the children were placed in either the ADHD-HI (n = 40), ADHD-IA (n = 35), or ADHD-C (n = 36) group, or a symptom free comparison group (n = 27). It was hypothesized that children with elevations on the impulsivity/ hyperactivity (ADHD-HI and ADHD-C) scale would be impaired on measures of inhibition and those with elevations on the inattention scale (ADHD-IA and ADHD-C) would be impaired on tests of attention, vigilance, and other executive functions. A one-way multivariate analyses of variance (MANOVA) was conducted (Group X Task), with significant results for overall main effect for group on the 7 ...
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Nested Well Plasma Traps

Nested Well Plasma Traps

Date: August 2000
Creator: Dolliver, Darrell
Description: Criteria for the confinement of plasmas consisting of a positive and negative component in Penning type traps with nested electric potential wells are presented. Computational techniques for the self-consistent calculation of potential and plasma density distributions are developed. Analyses are presented of the use of nested well Penning traps for several applications. The analyses include: calculations of timescales relevant to the applications, e.g. reaction, confinement and relaxation timescales, self-consistent computations, and consideration of other physical phenomenon important to the applications. Possible applications of a nested well penning trap include production of high charge state ions, studies of high charge state ions, and production of antihydrogen. In addition the properties of a modified Penning trap consisting of an electric potential well applied along a radial magnetic field are explored.
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A Net Plankton Survey of a Small Perennial Pond

A Net Plankton Survey of a Small Perennial Pond

Date: August 1940
Creator: Legett, Jesse Harrison
Description: This thesis resulted from an examination of Lake Worth plankton in comparison to plankton found in similar bodies of water throughout the United States.
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