psy 550 (PSY550)

1. QUESTION: For each of the following examples, explain whether the researcher has made a correct decision or has made a Type 1 or Type 2 error. Explain why. 2. Dr. G rejects the null hypothesis although the independent variable had no effect. 3. Dr. R rejects the null hypothesis when it is false. 4. Although the independent variable had an effect, Dr. E does not reject the null hypothesis Your Answer: 1. Type I error is made when we reject the null hypothesis, but the null hypothesis i...

PSY 550 Final Exam Answers; Grand Canyon University/PSY 550 Final Exam Answers; Grand Canyon University For each of the following examples, explain whether the researcher has made a correct decision or has made a Type 1 or Type 2 error. Explain why. (a) G rejects the null hypothesis although the independent variable had no effect. (b) R rejects the null hypothesis when it is false. (c) Although the independent variable had an effect, Dr. E does not reject the null hypothesis. Explain the value o...

Define and describe the six steps of the scientific method. Give an example of each step. 2. When is it appropriate for a researcher to use deception in a study? When is it not appropriate? How can t he negative effects of deception be minimized? 3. Use Stevens’ model of measurement scales to answer these questions: What type of scale is used when the variable is social class? Explain. What type of scale is used when the variable studied is a Top 40 list of popular songs? Explain. What type of...

PSY550 Mid-Term Exam: Research Methods latest exam questions with 100% correct answers 2021 Directions: This is an open-book and open-notes exam. You have 2 hours to complete the exam. The test is worth 100 points; each item is worth 10 points. 1. Define and describe the six steps of the scientific method. Give an example of each step. 2. When is it appropriate for a researcher to use deception in a study? When is it not appropriate? How can the negative effects of deception be minimize...

PSY 550 Week 5 CLC Assignment, Correlational Study/PSY 550 Week 5 CLC Assignment, Correlational Study/PSY 550 Week 5 CLC Assignment, Correlational Study PSY 550 Week 5 CLC Assignment, Correlational Study This is a Collaborative Learning Community (CLC) assignment. Before beginning this assignment, each group should submit a filled-in copy of the CLC Agreement Form. Each CLC team will design a correlational study, groups will need two variables with at least five sets of data. between these tw...

When is it appropriate for a researcher to use deception in a study? When is it not appropriate? How can the negative effects of deception be minimized? Contrast probability and nonprobability sampling methods; generally speaking, which methods are most useful? Contrast experimental with quasi-experimental methods; generally speaking, which methods are most useful? Researcher Sandy Beach found a correlation coefficient of +2.3 between variables X and Y. She is thrilled because that correlati...

PSY 550 Final Exam: Research Methods 1. Chuck Wagon is very excited about the within-subjects approach. “Now I’ll never need to run large numbers of subjects again,” he says. However, Chuck has forgotten that within-subjects designs may be a) useless, b) impossible, c) confounded by order effects, or d) impractical when excessive subject time spent in an experiment makes data inaccurate. Give an example of each of these four objections. A) Useless—Within subject design would be usele...

PSY 550 Midterm Exam 1

Question 1: test-retest reliability with inter-rater reliability content validity with both predictive validity and construct validity internal validity with external validity Question 2: Define and describe the six steps of the scientific method. Give an example of each step Question 3: When is it appropriate for a researcher to use deception in a study? When is it not appropriate? How can the negative effects of deception be minimized? Question 4: Use Stevens’ model of m...

PSY 550 Week 2 Benchmark Assignment, Article Critique/PSY 550 Week 2 Benchmark Assignment, Article Critique PSY 550 Week 2 Benchmark Assignment, Article Critique View the library tutorial on using the GCU databases and the empirical journal checklist. Find a scholarly peer reviewed journal from the library. Select a research study (complete with Method, Results, and Discussion sections). In 750-1,000 words, analyze the article. List the research question(s)/hypothesis being consider in the ar...