DESIGNING A STUDY

PURPOSE: By the end of this lab you should be able to identify research designs and the strengths and limitations of those designs. You will also have the opportunity to apply previously reviewed information related to the research design scenarios in this assignment.

 

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DESIGNING A STUDY
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DIRECTIONS: (1) Complete the assignment below by reviewing the research study scenarios and responding to each prompt.

 

(2) Most responses require short answers and can be words or short phrases. For longer responses please use formal writing style with appropriate spelling, grammar, and sentence structure.

 

DUE: Submit by the due date posted on our course site submission link. Submit WORD or PDF files.

 

GROUP TASK: DESIGNING A STUDY

  1. Think of a research design study idea. For your idea, identify,
  1. Statement of the problem in the form of a research question.
  2. Identify the variables and operationally define the variables and include how the dependent variable will be measured (explicitly mentioning the level of measurement in the measurement description).
  3. Identify the sample of participants and define criteria for the population of interest.
  4. Write a hypothesis for your hypothetical study.
  5. Identify the research design being applied in your hypothetical study.
  6. Draw out a visual diagram for the study design you have created and label all the conditions to “SHOW” what your study looks like. Reference the class resources for examples of what your study may look like in a visual graphic.
  1. A counseling psychologist wants to know whether the methods in a new self-help book are effective. The new self-help book promotes a special set of “refunctional” writing exercises for individuals suffering from posttraumatic stress disorder (PTSD). The psychologist randomly assigned some clients to complete these new “refunctional” writing exercises, and another group of clients to write ordinary journal entries no different than the typical journal entries they complete. The level of PTSD symptoms are measured and compared between the two groups of clients. Ratings of PTSD symptoms vary from 0 (absence of symptoms) to 100 (severe symptoms).
  1. Identify the type of research design that is being used in this study. Provide an explanation for the design you selected.
  2. Address 1 to 2 possible ethical considerations related to human participants that volunteer for this study.
  3. Address whether or not you would approve the study based on the information provided. Include a thorough rationale explanation. Meaning, explicitly address why you would approve this study or not approve this study to be conducted by the researcher that submitted the proposal.
  4. Address one limitation of this study.

 

  1. A Human Resource Manager believes that giving workers frequent but small rewards will improve worker morale more than the standard reward program (infrequent large rewards to only the best employees). In order to test this hypothesis, selected at random, some managers are instructed in giving their employees frequent small rewards, while others are randomly assigned to continue with the standard reward program. After four weeks, all employees fill out a brief survey about morale. Overall morale scores can range from 8 (low morale) to 40 (high morale).
  1. Identify the type of research design that is being used in this study. Provide an explanation for the design you selected.
  2. Address 1 to 2 possible ethical considerations related to human participants that volunteer for this study.
  3. Address whether or not you would approve the study based on the information provided. Include a thorough rationale explanation. Meaning, explicitly address why you would approve this study or not approve this study to be conducted by the researcher that submitted the proposal.
  4. Address one limitation of this study.

 

  1. A researcher is using a repeated measures experiment using an incomplete design. The independent variable in the experiment is the font size of the text in a paragraph that participants will read (either size 10, 12, or 14). Present a table showing how you would determine the order of administering the conditions to the first set of 3 participants in the experiment such that the practice effects are balanced across the three groups of participants.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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