¶ … Threats to Validity in a Quasi-Experimental Design
Evaluating design choice: Walk Texas!
The research study by Bartholomew (et al. 2008) entitled "Walk Texas! 5-A-Day intervention for women, infant, and children (WIC) clients: A quasi-experimental study" is defined as quasi-experimental because it lacks a formal control group. The purpose of the study was to determine an intervention designed to improve the eating habits of low-income WIC clients. The participants were "primarily native Spanish speaking, Hispanic women, of low educational level" (Bartholomew 2008: 297). The study "utilized a pre-test post-test quasi-experimental design, with two intervention and two comparison clinics that were matched for size and ethnicity" (Bartholomew 2008: 297). The comparison clinics served as an informal control although participation in the experimental and control groups was not randomized, as would be the case in a true experimental study.
The purpose of the experiment was to see if low-income women who make use of the WIC program would improve their consumption of fruits and vegetables with the dietary intervention designed by the study's authors. In general, low-income people consume fewer fruits and vegetables than higher-income persons because of perceived barriers of cost and preparation difficulty. To create a comparison...
Quasi-Experimental Design on the Effect of TV Adverts on Children This study carries out the evaluation of a research titled "A quasi-experiment assessing the effectiveness of TV advertising directed to children" (Goldberg, 1990 p 445). The paper examines the extent the research hypotheses have been able to address the study. The paper also examines the research dependent variables and independent variables. Moreover, the study investigates the extent the author has adhered
Sports Participation And Character Development sports participation CHARACTER DEVELOPMENT Opening statement Summary of the literature framing history of the project, using 5 articles related to the problem Gaps and/or deficiencies in prior research Importance of present study Why the study should be pursued For whom is it important Purpose of the statement Research design (experimental, quasi-experimental, or non-experimental) Theory tested or described Intent (describe, compare, relate) Variables (independent, dependent, controlling, intervening) Research question(s) and hypotheses Does sport build character? Can sports participation result in positive character development? Can
66). Furthermore, social software will only increase in importance in helping organizations maintain and manage their domains of knowledge and information. When networks are enabled and flourish, their value to all users and to the organization increases as well. That increase in value is typically nonlinear, where some additions yield more than proportionate values to the organization (McCluskey and Korobow, 2009). Some of the key characteristics of social software applications
A more definitive explanation is; "... A proposed explanation for a phenomenon." (Scientific Reference) a hypothesis should be able to be tested and functions as a directive for further research. In my research study for example, the hypothesis that was explored was that certain circumstances in different historical periods affect the development of the areas of expertise and their application to project activities. These circumstances include social and cultural movements;
Fundamentally, hygiene factors are required to make sure a worker is not dissatisfied. Motivation factors are desired to motivate a worker to higher performance. Herzberg also further classified peoples actions and how and why they do them, for instance, if one performs a work related action because they have to then that is ranked as movement, but if one performs a work related action because they want to then that
Home-based Nurse-Coached Inspiratory Muscle Training Intervention in Heart Failure In order to devise an optimal experimental study, the primary information required and used by the researcher in this study is identification of the specific research issue to be addressed. From this foundation, the best design for this study can be determined. The specific research issue in this study is key to the relevance and importance of any data observations. A
Our semester plans gives you unlimited, unrestricted access to our entire library of resources —writing tools, guides, example essays, tutorials, class notes, and more.
Get Started Now