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# (a) reliability, (b) validity, and (c) internal consistency of the measures. /design,sampling, and info - Coursework Example

Summary
Validity requires expert’s opinion. Reliability is about consistency. Consistency helps in minimizing errors. In this research, reliability will be established by…

## Extract of sample(a) reliability, (b) validity, and (c) internal consistency of the measures. /design,sampling, and info

Download file to see previous pages... In determining the consistency, 70% or higher percentage is required. This refers as the coefficient of reliability. The coefficient reliability is a ratio measured between 0-1. 0 means no coefficient at all. A reliability of 1 means there is 100% efficiency. 0.7 is a standard, which is used to show the reliability. It is also important to have 0.3 of the population misinterpreting the instrument used.
This approach entails giving the test first and then providing a similar test after two weeks again to the same population. This will help in testing the reliability. The advantage is that the researcher is able to come up with fundamental and valid responses of the researchable item (Brunning JL, 1996). I support this method since it is able to give the exact data on stress since the exact population is being tested and retested.
Tis tool will help in determining the reliability of the test used by gauging the internal consistency or average correlations of the data provided . Depending on the method of data collection used, the tool is able to scale down and predict the level of reliability (Santos, 1999). The advantage associated with this tool is that it is able to use wide variety of data collection methods such as dichotomous or multi-questionnaires which are associated with a particular respondent.
A random selection of a control group and an experimental group while researching about stress is a simple way of ensuring that a test is valid. This process ensures that the level of bias is limited therefore minimizing errors.
The research will involve both quantitative and quantitative study in determining the number of students who are homeless and those who are housed. The research determines the effect of students who are homeless in comparison to the control group which include the students who are continuously housed during ...Download file to see next pagesRead More
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