State the null and research hypotheses. Explain whether these hypotheses require a one-tailed test or two-tailed test and explain your rationale. Describe the sample you will use. The sample size will be 30 for each group, which are provided in your data set. Explain what type of sampling method you selected and why you chose it. Are there limitations to this sampling method, and how might it affect your research? Do you think you would also collect some descriptive data, such as gender, age, or shift? Why do you think it makes sense to collect descriptive data?

Ciccarelli: Psychology_5 (5th Edition)
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Author:Saundra K. Ciccarelli, J. Noland White
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Chapter1: The Science Of Psychology
Section: Chapter Questions
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  • State the null and research hypotheses.
  • Explain whether these hypotheses require a one-tailed test or two-tailed test and explain your rationale.
  • Describe the sample you will use. The sample size will be 30 for each group, which are provided in your data set.
  • Explain what type of sampling method you selected and why you chose it.
  • Are there limitations to this sampling method, and how might it affect your research?
  • Do you think you would also collect some descriptive data, such as gender, age, or shift?
  • Why do you think it makes sense to collect descriptive data?
Note: You have been given a data set (Statistic Project Student Data) with two sets of interval data (just the numbers, as you must
decide what they represent, such as method A results or method B results). This means you are going to test one thing against
another, such as which method works best (step 1 of the steps to hypothesis testing; please refer to the example provided above).
●
пуроп
●
State the null and research hypotheses.
Explain whether these hypotheses require a one-tailed test or two-tailed test and explain your rationale.
Describe the sample you will use. The sample size will be 30 for each group, which are provided in your data set.
Explain what type of sampling method you selected and why you chose it.
Are there limitations to this sampling method, and how might it affect your research?
●
• Do you think you would also collect some descriptive data, such as gender, age, or shift?
•Why do you think it makes sense to collect descriptive data?
Transcribed Image Text:Note: You have been given a data set (Statistic Project Student Data) with two sets of interval data (just the numbers, as you must decide what they represent, such as method A results or method B results). This means you are going to test one thing against another, such as which method works best (step 1 of the steps to hypothesis testing; please refer to the example provided above). ● пуроп ● State the null and research hypotheses. Explain whether these hypotheses require a one-tailed test or two-tailed test and explain your rationale. Describe the sample you will use. The sample size will be 30 for each group, which are provided in your data set. Explain what type of sampling method you selected and why you chose it. Are there limitations to this sampling method, and how might it affect your research? ● • Do you think you would also collect some descriptive data, such as gender, age, or shift? •Why do you think it makes sense to collect descriptive data?
Example
Imagine you have developed a hypothesis. The hypothesis states that two drugs have different effects on lowering anxiety. You have
anxiety scores for drug A and anxiety scores for drug B (all after 4 weeks of treatment). You run inferential analysis after 4 weeks.
Your null hypothesis is Ho: drug A = drug B.
Your research hypothesis is H₁: drug A# drug B.
Your dependent variable is the anxiety score changed after treatment.
Your independent variable is drug treatment.
Because you did not state a direction in your hypothesis (better than or worse than), this will be a two-tailed test. You are looking for
differences in either direction. You would set your alpha level at .05 and have a sample for each group of 30 people that
were volunteers (what sampling method would this imply?) for the study.
Write a 525- to 700-word summary in which you:
●
●
Clearly define the problem or issue you are addressing.
Find 2 to 3 research articles (must have methods section) related to the topic/problem in your scenario.
Provide a brief background of any research you have found that might affect your research hypothesis.
Create a research hypothesis.
Transcribed Image Text:Example Imagine you have developed a hypothesis. The hypothesis states that two drugs have different effects on lowering anxiety. You have anxiety scores for drug A and anxiety scores for drug B (all after 4 weeks of treatment). You run inferential analysis after 4 weeks. Your null hypothesis is Ho: drug A = drug B. Your research hypothesis is H₁: drug A# drug B. Your dependent variable is the anxiety score changed after treatment. Your independent variable is drug treatment. Because you did not state a direction in your hypothesis (better than or worse than), this will be a two-tailed test. You are looking for differences in either direction. You would set your alpha level at .05 and have a sample for each group of 30 people that were volunteers (what sampling method would this imply?) for the study. Write a 525- to 700-word summary in which you: ● ● Clearly define the problem or issue you are addressing. Find 2 to 3 research articles (must have methods section) related to the topic/problem in your scenario. Provide a brief background of any research you have found that might affect your research hypothesis. Create a research hypothesis.
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