What is a confounding variable and why do researchers try to eliminate confounding variables? Provide two examples of confounding variables. What are the advantages and disadvantages of posttest only design and pretest-posttest design 3. What is meant by sensitivity of a dependent variable?
What are the differences between an independent groups design and a repeated measures design? Provide an example of a factorial design. What are the key features of a factorial design?
What are the advantages of a factorial design? Describe at least four different dependent variables. What are some ways researchers can manipulate independent variables?
What is the difference between main effects and interactions? How do moderator variables impact results? A researcher is interested in studying the effects of story endings on preference ratings. He randomly assigns participants into two groups: He instructs them to read the story and provide preference ratings.
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.PSYCH Week 4 Individual Assignment Critical Analysis of Research Article version.
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What is a confounding. PSYCH Week 4 Individual Assignment Critical Analysis of Research barnweddingvt.com Description Reviews (1) Select a research article of interest to you, preferably related to your Research Proposal, and use the Research Evaluation Worksheet found on the student website to analyze the article.
This file of PSYCH Week 8 Individual Assignment Homework Exercise consists of: 1. What is replication, and what role does it play in increasing the external validity or generalizability of a study?
In what way is the IRB involved in using participants in a research study?
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