Homework 8 (Chapter 10) You may handwrite or type responses. Please show all work. Feel free...
Chapter 10 Questions 11. What is a factorial research design? Give two advantages of a factorial research design over doing two separate studies. 12. In a factorial design, what is a main effect? What is an interaction effect? 13. Answer the following questions with the results for a fictional study of the effects of vividness and length of examples (the grouping variables) on number of examples recalled (the measured variable). Vividness Short Long Overall Describe the pattern of results in...
14. Answer the folowing questions with the results for a fictional study of the effects of a drug and sex of examples (the grouping variables) on number of examples recalled (the measured variable). The higher the score, the better the performance. Drug Dosage Overall High Low Sex Male Female Overall 7 4 4 Describe the pattern of results in words. Are there any main effects? Are there any interaction effects? a) b) Make 2 bar graphs (one for Drug Dose,...
All work must be shown. That is, you need to show the steps and calculations you used to arrive at every answer for credit - For example, I need to see which two numbers you divided to arrive at a particular S? value, F-ratio value, etc. The "Pygmalion Effect" refers to the effect of teacher expectations on student academic achievement and performance (for the classic study on this phenomenon, see Rosenthal & Jacobson, 1968; for a more recent review of...
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...