Reference no: EM13778337
PSYCH 610 Week 6 Individual Assignment Week Six Homework Exercise
Answer the following questions, covering material from Ch. 12 of Methods in Behavioral Research:
1. Define the following terms:
2. How are group means, percentages, and correlations used to describe research results?
3. How can graphs be used to describe and summarize data?
4. A researcher is studying reading rates in milliseconds per syllable. What scale of measurement-nominal, ordinal, interval, or ratio-is time in milliseconds? Explain your response.
5. Under what circumstances is the median or mode a better measure of central tendency than the mean? Explain your response.
6. True or false: The standard deviation and the range are sensitive to outliers. Explain your response.
7. True or false: The standard deviation can never be 0. Explain your response.
8. A researcher is investigating the effects of anxiety on creativity. Individuals with varying levels of anxiety are asked to complete a measure of creativity. The results show a classic U-shaped distribution; that is, individuals with moderate levels of anxiety score the highest on tests of creativity. Individuals with very low or very high levels of anxiety score much lower on tests of creativity. What would be a good statistic to use in this case? Explain your response.
9. What are some applications of multiple regression models (equations / techniques)? Provide an example.
10. Explain how and why multiple correlations are used as prediction variables?
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Differences between forcible rape and statutory rape
: Identify the several types of child abuse that fall under the categories of maltreatment. Describe the differences between forcible rape and statutory rape
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Qualities of a successful it manager
: The IT manager is a leader intensive profession. He or she plays a central role in the development of the project. What are the strengths a good IT manager must have to be successful?
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Quasi-experimental research design
: What is the difference between a cross-sectional and a longitudinal study? What is a sequential study? Which of these designs is most vulnerable to cohort effects? Which design is most vulnerable to the effects of attrition?
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Race and sex in the workplace
: The purpose of this assignment is to explore race, gender, and occupational stratification in the workforce. To complete this assignment, perform the following tasks:
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Investigating the effects of anxiety on creativity.
: A researcher is studying reading rates in milliseconds per syllable. What scale of measurement-nominal, ordinal, interval, or ratio-is time in milliseconds? Explain your response.
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Pci, inc.''s current level of cash flow
: Assuming the 8% discount rate and assuming fixed cash flows, what does MCS expect to be able to realize as a net annual cash flow beginning next year?
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What is meant by degrees of freedom
: What is meant by "degrees of freedom"? As the degrees of freedom increase, what happens to the graph of a t-distribution? Why would you use a z-test rather than a t-test? Which do you think you will use more often? Why
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Business communication issues
: President Barack Obama is as great a communicator? Identify three communication elements used by this person to support your answer.
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Complexity inherent in securitization
: Critics have suggested that the complexity inherent in securitization can limit investors' ability to monitor risk. Evaluate the merits of this criticism, indicating your agreement or disagreement with the criticism. Provide support for your posit..
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