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The Relationship of Fifth-Grade Students' Self-Concepts and Attitudes toward Mathematics to Academic Achievement in Arithmetical Computation, Concepts, and Application

The Relationship of Fifth-Grade Students' Self-Concepts and Attitudes toward Mathematics to Academic Achievement in Arithmetical Computation, Concepts, and Application

Date: August 1971
Creator: Moore, Bobbie Dean
Description: The purpose of this study was to determine the interrelationship of self-concept and attitude toward mathematics to academic achievement in the areas of arithmetical computation, concepts, and application.
Contributing Partner: UNT Libraries
A Study of Differences Perceived by Information Systems Professionals in the Systems Development Job Environment Due to the Use of ICASE Technology

A Study of Differences Perceived by Information Systems Professionals in the Systems Development Job Environment Due to the Use of ICASE Technology

Date: August 1997
Creator: Troboy, Lori Kim
Description: Information systems professionals now face the automation of their own work in integrated computer aided software engineering. Organizations need to achieve all the leverage possible from costly IT implementations to enhance competitiveness, profitability, and survival in a rapidly changing environment. ICASE technology is a part of the infrastructure necessary to meet this challenge but appears to present significant difficulties in implementation.
Contributing Partner: UNT Libraries
Effects of Frustration Tolerance Training on Young Institutionalized Retarded Children

Effects of Frustration Tolerance Training on Young Institutionalized Retarded Children

Date: January 1968
Creator: Landrum, Jerry Lynn
Description: The major problem investigated was to ascertain the extent to which a training program designed specifically to increase frustration tolerance would reduce selected behavioral problems in institutionalized mentally retarded children. Of lesser importance was the problem of examining the extent to which the prescribed training program had differential effects on brain-injured and non-brain-injured retarded children.
Contributing Partner: UNT Libraries
Convergence of Self and Other Ratings of Personality: a Structural Equation Analysis

Convergence of Self and Other Ratings of Personality: a Structural Equation Analysis

Date: May 1998
Creator: McElhenie, Michael K. (Michael Keith)
Description: Recently, multi-source feedback has been a popular way of providing performance-related feedback to individuals in many organizations. Many who use multi-source feedback consider Rating Convergence, others seeing target individuals as they see themselves, to be a positive outcome of this process. However, the variables that account for Rating Convergence are not known. This study investigated whether the personality factor Extroversion and Behavioral Consistency, acting as a moderator variable, could account for Self-other Rating Convergence, particularly the Convergence between self and peer Ratings. The sample consisted of 235 mid-level managers from a variety of industries who were participants in individual career development workshops. Using structural equation modeling, the results indicated that a model consisting of a single Extroversion factor could account for the convergence of self-peer ratings. This finding calls into question the significance of Rating Convergence when using multi-source rating instruments that provide feedback on trait characteristics since it may be heavily influenced by a single personality factor rather than observers' comprehensive understanding of the ratee's performance.
Contributing Partner: UNT Libraries
Harmony and Structure in Richard Strauss's Macbeth

Harmony and Structure in Richard Strauss's Macbeth

Date: August 1996
Creator: Bills, Danny C.
Description: This study begins with a discussion of step theory. Included in this discussion is the basis of chord succession, the idea of fundamental representation, and the uses of reinterpretation technique. These concepts are then used to demonstrate the continuity and logic of the harmonic language found in Strauss's Macbeth.
Contributing Partner: UNT Libraries
Korean Students' Perceptions of the Effectiveness of their Internship Experiences in the Hospitality Industry in Korea

Korean Students' Perceptions of the Effectiveness of their Internship Experiences in the Hospitality Industry in Korea

Date: August 1997
Creator: Ju, Jeongeun
Description: This research study assessed Korean students' perceptions and overall satisfaction levels regarding the effectiveness of their hospitality internship experiences. Relationships with demographic characteristics were identified. The sample was comprised of 74 senior-level university students enrolled in hospitality and/or tourism management programs who were completing an internship in Korea. Generally, students exhibited low agreement levels on the internship program aspects being investigated. Previous work experience was the most common factor influencing students' perceptions of their internship experiences. Agreement levels increased with length of prior work experience. Type of internship workplace, expectation of an employment offer, age and gender were found to influence students' perceptions of the internship experiences.
Contributing Partner: UNT Libraries
Analysis of Phytoplankton Responses to Water Chemistry Dynamics in a Moderately Eutrophic North Texas Reservoir

Analysis of Phytoplankton Responses to Water Chemistry Dynamics in a Moderately Eutrophic North Texas Reservoir

Date: May 1998
Creator: Banks, Kenneth E. (Kenneth Edward)
Description: Canonical correspondence analysis (CCA) was used to explore relationships between measured environmental variables and in situ phytoplankton communities in a moderately eutrophic North Texas Reservoir.
Contributing Partner: UNT Libraries
Mobile Order Theory as Applied to Polycyclic Aromatic Heterocycles

Mobile Order Theory as Applied to Polycyclic Aromatic Heterocycles

Date: August 1997
Creator: Fletcher, Kristin A.
Description: Experimental mole fraction solubilities of benzil, thianthrene, trans-stilbene, thioxanthen-9-one, diphenyl sulfone and dibenzothiophene sulfone are determined in pure noncomplexing and complexing solvents. Predicted solubility values are calculated for benzil, thianthrene, trans-stilbene and thioxanthen-9-one using expressions derived from Mobile Order theory. Large deviations between experimental and predicted solubilities in alcohol solvents exist, therefore optimized solute - solvent association constants are determined. Previously measured thianthrene solubilities in five binary alkane + cyclohexane solvent mixtures are compared with values predicted from Mobile Order theory using the measured solubility in each of the pure solvents as input parameters. The experimental mole fraction solubility of benzil in eight binary alcohol + 1-octanol solvent mixtures are also measured and compared with predicted values.
Contributing Partner: UNT Libraries
Distribution and Probable Sources of Nitrate in the Seymour Aquifer, North Central Texas, USA

Distribution and Probable Sources of Nitrate in the Seymour Aquifer, North Central Texas, USA

Access: Use of this item is restricted to the UNT Community.
Date: May 2001
Creator: Hillin, Clifford K.
Description: This study utilized GIS and statistical methods to map the spatial variability of nitrate and related groundwater constituents in 30 counties above the Seymour Aquifer, analyze temporal patterns of nitrate pollution, identify probable sources of pollution, and recommend water development strategies to minimize exposure to nitrate and reduce future aquifer contamination. Nitrate concentrations in excess of 44 mg/L (US EPA limit) were commonly observed in the Seymour Aquifer region, especially in the central agricultural belt. Data indicated that this is an ongoing problem in the Seymour Aquifer and that agricultural activity and rural septic systems are the likely sources of the nitrate. Inconclusive results emphasized the need for a more comprehensive spatial and temporal water quality monitoring.
Contributing Partner: UNT Libraries
Computational Complexity of Hopfield Networks

Computational Complexity of Hopfield Networks

Date: August 1998
Creator: Tseng, Hung-Li
Description: There are three main results in this dissertation. They are PLS-completeness of discrete Hopfield network convergence with eight different restrictions, (degree 3, bipartite and degree 3, 8-neighbor mesh, dual of the knight's graph, hypercube, butterfly, cube-connected cycles and shuffle-exchange), exponential convergence behavior of discrete Hopfield network, and simulation of Turing machines by discrete Hopfield Network.
Contributing Partner: UNT Libraries