Topic 3 DQ 1 Non-experimental research
Topic 3 DQ 1 Non-experimental research
Topic 3 DQ 1 Non-experimental research
Experimental design research is a research which examines the effect of an independent variable on the dependent variable, where the independent variable can be manipulated through an intervention. Also, there has to be a randomization of participants, and all confounding variable have to be controlled (Larson & Farber, 2015). The result of the intervention can be seen on the dependent variable. To understand better we can look at the use of chlorohexidine mouthwash on the prevention of ventilator associated pneumonia (VAP) in ICU patients. Chlorohexidine is a dependent variable and this can be manipulated and used in the experimental group while the other group will receive a placebo in order to study the effect of VAP.
Any experimental design is controlled, manipulated and randomized in order to get the best results. The research individuals are chosen randomly, and the independent variables are manipulated in order to see the effect of a treatment on a group of patients.
Non-experimental research
The author of the article published by Minnesota Library in 2010, explains that a non-experimental research is a study where a researcher observes the interaction of a subject. These studies can be conducted when it is unethical to manipulate the independent variable or it is endangering patient’s life. As an example, a researcher tries to investigate the effect of bullying on school age children’s self-esteem. The variable cannot be manipulated, therefore, children who were victim can be selected and their self-esteem can be measured.
Furthermore, in the non-experimental group the variables or subjects cannot control, manipulate or alter but instead the researcher can rely on interpretation, observation or interactions of the subject and come to a conclusion.
You must proofread your paper. But do not strictly rely on your computer’s spell-checker and grammar-checker; failure to do so indicates a lack of effort on your part and you can expect your grade to suffer accordingly. Papers with numerous misspelled words and grammatical mistakes will be penalized. Read over your paper – in silence and then aloud – before handing it in and make corrections as necessary. Often it is advantageous to have a friend proofread your paper for obvious errors. Handwritten corrections are preferable to uncorrected mistakes.
Use a standard 10 to 12 point (10 to 12 characters per inch) typeface. Smaller or compressed type and papers with small margins or single-spacing are hard to read. It is better to let your essay run over the recommended number of pages than to try to compress it into fewer pages.
Likewise, large type, large margins, large indentations, triple-spacing, increased leading (space between lines), increased kerning (space between letters), and any other such attempts at “padding” to increase the length of a paper are unacceptable, wasteful of trees, and will not fool your professor.
The paper must be neatly formatted, double-spaced with a one-inch margin on the top, bottom, and sides of each page. When submitting hard copy, be sure to use white paper and print out using dark ink. If it is hard to read your essay, it will also be hard to follow your argument.
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