Unlocking the Power of Correlation Analysis: Examples and Explanations
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ASSIGNMENT INSTRUCTIONS:
1. What is Correlation Analysis?
Give examples with explanations.
Be sure to cite and reference.
2. What kind of Final Examination do you think is best?
Discuss.
Be sure to cite and reference.
HOW TO WORK ON THIS ASSIGNMENT (EXAMPLE ESSAY / DRAFT)
A statistical method called correlation analysis is used to quantify the magnitude and direction of the association between two or more variables. It is a crucial tool in data analysis since it enables researchers to comprehend the strength of the relationship between two or more variables.
Positive correlation and negative correlation are two different kinds of correlation. When two variables move in the same direction, there is a positive correlation; for instance, ice cream sales rise as the temperature rises. On the other side, a negative correlation happens when two variables move in opposite directions; for instance, as a product’s price rises, its demand falls.
The analysis of the connection between income and education level is a typical example of correlation analysis. To find out if there is a positive association between the two variables, researchers may gather information on the degree of education and income for a sample of people. In this instance, a positive correlation would imply that higher earnings and education levels are related.
Examining the link between sleep duration and output is another application of correlation analysis. Researchers may gather information on a person’s daily sleep schedule, as well as how productive they are the next day. If there is a positive connection between the two variables, correlation analysis can be used to assess whether people who receive more sleep are more productive.
Noting that correlation does not indicate causation is crucial. Two variables are not necessarily caused by each other just because they are connected. To establish causation, additional research is required as there may be other factors at play.
References:
(2003). Hinkle, D. E., Wiersma, & Jurs, S. G. Fifth edition of applied statistics for behavioral sciences. Hoover Mifflin.
A. Field (2009). SPSS (3rd ed.) statistics discovery. Sage.
Essay No. 2: The Ideal Final Exam
The final test plays a significant role in the higher education assessment process. It is the result of a student’s education and a gauge of their knowledge and abilities. The ideal format for a final exam is still up for dispute.
The classic essay exam, in which students must write answers to questions or prompts, is one sort of final exam. With this kind of test, pupils’ communication skills and subject-matter understanding are evaluated. Essay examinations, however, might take a long time to evaluate and could not give a complete picture of the student’s knowledge and abilities.
Performance-based exams, in which students are required to demonstrate their abilities in a practical or real-world environment, are another sort of final exam. For instance, a nursing student can be instructed to conduct a patient assessment or give a dummy patient medication. Performance-based tests can be more interesting for students and offer a more thorough evaluation of their abilities. They can, however, be complex to develop and may be hard to standardize among many test takers.
The multiple-choice exam, in which students must choose the best response from a list of alternatives, is the third kind of final exam. Multiple-choice tests are quick and simple to administer and grade. However, they tend to guess and might not assess higher-order thinking abilities.
The learning outcomes and course objectives should be taken into account when choosing the best final exam. A performance-based exam might be the best choice if the course aims to evaluate students’ abilities to apply their knowledge in a practical setting. On the other hand, an essay exam might be more appropriate if the course’s goal is to evaluate students’ capacity for information synthesis and idea articulation.
References:
C. P. Smith (2017). Engagement and authenticity are effective online learning assessment strategies.
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