Reference no: EM13861300
1. What is a confounding variable and why do researchers try to eliminate confounding variables? Provide two examples of confounding variables.
2. What are the advantages and disadvantages of posttest only design and pretest-posttest design?
3. What is meant by sensitivity of a dependent variable?
4. What are the differences between an independent groups design and a repeated measures design?
5. How does an experimenter's expectations and participant expectations affect outcomes?
6. Provide an example of a factorial design. What are the key features of a factorial design? What are the advantages of a factorial design?
7. Describe at least four different dependent variables.
8. What are some ways researchers can manipulate independent variables?
9. What is the difference between main effects and interactions?
How do moderator variables impact results? Provide an example.
10. A researcher is interested in studying the effects of story endings on preference ratings. He randomly assigns participants into two groups: predictable ending or surprise ending. He instructs them to read the story and provide preference ratings. The experimenter's variation of story endings is a __Straightforward____ (straightforward or staged) manipulation.
11. A researcher was interested in investigating the vocabulary skills of 6th graders in a program for gifted students. She gave a group of participants a test of vocabulary that was aimed at the 7th-grade level. She quickly discovered that there was limited variability in the scores because nearly all the students answered 90% or more of the questions correctly. This outcome is called a _Ceiling___ effect.
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Describe the ethical consideration
: Describe the ethical consideration(s) with the scenario. Has the primary researcher committed an ethical violation? Use the appropriate section of the APA Ethical Principles of Psychologists to justify your response.
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Explain the necessary maintenance tasks
: Explain whether outdoor maintenance be handled by the same personnel that handle inside maintenance. Explain the necessary maintenance tasks. Describe how the maintenance tasks will be kept and scheduled
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Which pair of ions would not be expected to form
: Which pair of ions would not be expected to form a precipitate when dilute solutions of each are mixed?
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Explain macroeconomic aggregates such as the gdp
: Explain macroeconomic aggregates such as the GDP, inflation rate, unemployment rate, and their implications on the national economy.
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What is meant by sensitivity of a dependent variable
: What are the advantages and disadvantages of posttest only design and pretest-posttest design. What is meant by sensitivity of a dependent variable. What are the differences between an independent groups design and a repeated measures design
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How faithfully do the rabbis render the bibilical ritual law
: what is the relation between Yoma and Leviticus 16? how faithfully do the rabbis render the bibilical ritual laws? what do the rabbis add to the biblical description
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Film analysis- gangster
: Film analysis, Choose one film from the six genres below and analyze the follwing: sitting, theme, character, type, historical background 4 impact on film in one genre. Explain your response in 2-3 paragraphs. The six major American genres are: Gan..
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Discuss the importance of writing good survey
: discuss the importance of writing good survey questions. How can poorly-written questions bias results? Submit both the table that you constructed as well as a copy of the survey you analyzed to your instructor
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Prepare annual adjusting entries
: 1. Prepare annual adjusting entries for the following (you made need to create additional accounts): a. Equipment is depreciated using an 8-year useful life with a $5,000 salvage value using the straight-linemethod.
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