Essay on "Testing a Critical Element of Research"
Essay 3 pages (1110 words) Sources: 3
[EXCERPT] . . . .
TestingA critical element of research is determining whether a set of observations are the product of chance or the result of the action on the independent variable on the dependent variable. This approach to knowledge creation and verification engages deductive reasoning in the decision making process. Thus, the essential feature of this process is making the correct decision with reference to what the data are pointing to. To make this process more reliable and valid researcher engage a type of thinking and analysis involving statistical testing called hypothesis testing.
A hypothesis is a conjectured statement or predicted statement of relationship between two variables or more variables. The researcher uses the hypothesis to represent the relationship he anticipates will explain some aspect of the variance in the dependent variable. For the purposes of hypothesis, testing the researcher will usually have a null hypothesis and an alternate hypothesis. The null hypothesis is the hypothesis that is actually tested. It is either accepted or rejected by the researcher based on the test results (Ryan 2004). To accomplish this successfully requires that some decisions be made as to when the relationship exists or does not.
The result of the hypothesis test is considered significant if it is highly unlikely that it could be the product of chance. This is determined using a specific threshold for the rejection of the null hypothesis based on a specific significance level. The significance level for the rejection of the null hypothesis is determined before the test in undertaken.
There are two errors that can be made in hypothesis test
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Aron, Coups & Aron (2011) identify a five-step procedure for successful hypothesis testing. The first step involves restating the research question as a "research hypothesis and a null hypothesis about the populations" in general the null hypothesis is the opposite of the research hypothesis and states that there is no change, no difference or no effect. Secondly, the characteristics of the comparison distribution is identified; "the comparison distribution is the distribution that represents the population situation if the null hypothesis is true" (149).
The third step in hypothesis testing involves the determination of the value at which point the null hypothesis will be rejected. The idea being that once the test statistic falls beyond this value and into… READ MORE
Quoted Instructions for "Testing a Critical Element of Research" Assignment:
In a 3-4 page paper, discuss: *****"hypothesis testing, the use and application of bivariate and multivariate statistical tests, such as the Student T-test, ANOVA..., linear correlation and linear regression as well as significance and confidence intervals.*****"
In constructing your essay, please be sure to reference relevant material and be sure to incorporate peer-reviewed literature.
Please be sure to provide citations of sources consulted in preparing your paper in the body of the actual document itself (i.e., in addition to furnishing a reference list). Remember, any statement that you make that is not common knowledge or that originates from your synthesis or interpretation of materials that you have read must have a citation associated with it.
*****
How to Reference "Testing a Critical Element of Research" Essay in a Bibliography
“Testing a Critical Element of Research.” A1-TermPaper.com, 2011, https://www.a1-termpaper.com/topics/essay/testing-critical-element/85633. Accessed 5 Oct 2024.
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