Missing data is very common in survey research. However, currently few guidelines exist with regard to the diagnosis and remedy to missing data in survey research. The goal of this thesis was to investigate properties and effects of three selected...
Longitudinal studies occupy an important role in scientific researches and clinical trials. When taking the analysis of longitudinal data, investigators are often confronted with missing data which will produce potential biases, even in...
AIDS (Disease)--Prevention-- Evaluation; Nurses--Attitudes; Safe sex in AIDS prevention; Self-efficacy
This dissertation is a descriptive, correlational study that explores how a nurse's personal sexual relationship power, vicarious experience, and other interpersonal and socio-cultural variables are related to her self-efficacy to promote and teach...
Image processing; Computer vision; Pattern recognition systems
Image segmentation is one of the most important problems in image processing, object recognition, computer vision, medical imaging, etc. In general, the objective of the segmentation is to partition the image into the meaningful areas using the...
In this study, the author examined the relationship of probability misconceptions
to algebra, geometry, and rational number misconceptions and investigated the potential
of probability instruction as an intervention to address misconceptions in all...
Computational grids are some of the largest computer systems in existence today. Unfortunately they are also, in many cases, the least reliable. This research examines the use of redundancy with permutation as a method of improving reliability in...
Mixed-effects model is an efficient tool for analyzing longitudinal data. The random effects in mixed-effects model can be used to capture the correlations among repeated measurements within a subject. The time points are not fixed and all...
African American men--Mental health; Depression in men; Depression, Mental--Social aspects
Background: In any given year depression affects as many as 121 million people worldwide and 20 percent or 19 million people in the U.S. suffer from at least one episode of depression during their lifetime. In the U.S., depression has a substantial...
Recent advances in high throughput methodologies offer researchers the ability to understand complex systems via high dimensional and multi-relational data. One example is the realm of molecular biology where disparate data (such as gene sequence,...
Wit and humor--Therapeutic use; Behavior therapy; Wit and humor--Psychological aspects
Objective: To evaluate the influence of positive affect inductions on daily and weekly Positive and Negative Affect Scales (PANAS) in a community setting. Methods: Humor messages were distributed to participants four times per day during a...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. This issue is made up of three sections totaling twenty-four pages instead of the normal eight pages. Four of those pages...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. This issue is twelve pages. Four out of twelve pages are missing, probably pages 9-12 but the page numbers are missing on...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. This issue says Vol. 15. No. 52. but is actually Vol. 15 No. 50. This issue is twelve pages. There are small portions...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. Pages five and six are missing from this issue. The microfilm edition's "Page missing" placeholder has been...
Public health administration--Kentucky; Patient advocacy--Kentucky
Background: One of the core functions of public health is to develop policies that support community and individual health. There are many historic examples in which public health practitioners have advocated successfully for policies that...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. Pages three and four are missing from this issue and a large portion of pages seven and eight is missing.
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. This issue says Vol. 8. No. 45. but is actually Vol. 8. No. 52. There are tears and portions missing along the sides of...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. Six out of eight pages are missing from this issue. The remaining first two pages have tears and portions missing along...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. The first page of this issue is very faded. There are significant tears and portions missing along the sides of each page...
The Louisville Leader was an African-American newspaper published from 1917 to 1950 by I. Willis Cole in Louisville, Kentucky. Two out of eight pages are missing from this issue and there are tears and small portions missing along the sides of the...