Answer the following 7 questions and statements in 70 to 100 words.
1. Imagine you are conducting a research study evaluating how quickly people are able to learn Spanish. The dependent variable is student test scores and the independent variable is two different teaching methods. What might be a confounding variable and how can it affect your interpretation of results?
2.2. Provide an example of each measurement scale. Why is it important to understand the four scales?
3.3. Discriminate between descriptive and inferential research.
4.4. Evaluate the advantages and limitations of experimental research.
5.5. Describe the types of variables in experimental research.
6.6. Differentiate between the types of validity and reliability.
7.7. How does reliability and validity relate to sampling? Describe a situation in which external validity might limited.
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