作业代写|Research Hypotheses and Study Designs
AUTHOR
essaygo
PUBLISHED ON:
2022年10月27日
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这是一篇关于研究假设与研究设计的作业代写

 

Overview:

For this unit’s discussion, you’ll be selecting a topic of interest to you, creating a simple experimental or quasi-experimental design or other ‘differences of means’ design (comparison of groups where there is no manipulation or random assignment to conditions). After presenting the topic and a brief statement of the design, you’ll state your research hypothesis, describe the independent and dependent variables, about how big a sample you think you need to trust the results.

Requirements:

For this Discussion, you will be able to read others’ posts first, and can do your responses before writing your own post. However, please note that you may not use the same exact study or overly similar study as someone else. It’s ok to get ideas and to note how others express themselves, but you must create your own idea and then write your own post.

  • Post: Create a thread and post a description of your research topic, the design, the sample size and groups needed, what you expect to find (the research hypothesis), and the independent and dependent variables. State the null and alternative hypotheses (H0 and H1)
  • Responses: Respond to at least two other students’ posts. Say more than -“What a great idea” etc.

You may include compliments, comments, suggestions, critiques, but use a positive tone and keep all responses respectful. Everyone is learning!

All posts and responses are due Saturday 10/21/22 at 11:59pm.

Steps:

  • Read all of the information in this description before beginning.
  • Pick a topic and create a simple experimental or quasi-experimental design or non-experimental design with comparisons between groups.
  • State your research hypothesis, your H0 and your H1
  • Decide on the sample size and how many groups you’ll need to compare to test your hypothesis
  • Identify and describe the independent and dependent variables:

o Independent variable – this is the ‘grouping’ variable.

▪ In an experiment, these are manipulated conditions and you use random assignment of participants to these conditions. You must clearly identify the different conditions.

▪ For quasi-experiments and comparison of means studies,this variable describes the different groups being compared. You must clearly differentiate the groups. For example, more sleep vs less sleep does not clearly identify who is in which group. 7 hours or more vs less than 7 hours would be one way to describe this. You could also compare 3 different groups, as long as you are clear about how you are defining those groups.

o Dependent variable – this is the quantitative variable whose means you’d be comparing if you were actually doing this study. If this variable doesn’t have a clear measurement method (inches for height, $ for income, etc.), you need to describe how you would define this variable in order to measure it.

Need Ideas?

In prior semesters, students were asked what topics interested them the most – topics that they would want to research or read research about. A few of you completed this survey in Unit 1 (“If I were a scientist”) These were the most common responses in an earlier semester and a few additional ones that you provided: Anxiety, Trauma, PTSD,Stress, Depression, Anger, Faith, Happiness, Fear and phobia, Love, Addiction,Motivation, Procrastination, Confidence, Self-Esteem, Superstition, Avoidance, Diet,How the brain functions, Child development, Birth order, and first generation college students.

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