Question.3385 - Assignment #2 (Research Methods/Stats Part 1 Quiz) You can copy this document onto your computer, type/indicate your answers to each question, save the new document, then email it back to me as an attachment. Or print it, circle/write your answers, scan the pages, and email them back to me as attachments to an email. Make sure to put PSYC 300 and your last name in the subject line of your email. For multiple choice questions, select the single best answer. 1. (1 pt) A testable statement: hypothesis construct theory covariance negation 2. (1 pt) The central tendency score that splits the distribution into two equal sized groups: a. mean median mode standard deviation variance 3. (1 pt) An analysis used for one categorical independent variable with two levels, and one categorical dependent variable: multiple regression t-test chi-square one-way ANOVA factor analysis none of the above 4. (1 pt) What approximate percentage of shared variance is there between variable A and variable B, with a correlation of r = .31, p = .005? 0% 10% 15% 20% 25% 30% 60% 90% Cant be determined (1 pt) Identify the primary methodological difference (i.e., what the researcher does) between an experiment and a correlational study. (2 pts) As demonstrated in this course, diagram a One-Way ANOVA comparing employees at three different tech companies on the number of free lunches they received from their employer last year. Make sure to label the independent and dependent variables. If a variable is categorical, identify the levels. Then, as demonstrated in this course, write a hypothesis that matches this type of data/analysis. (3 pts) Dr. B. randomly assigns 100 participants to attend a lecture on statistics and 100 participants to read the newspaper. Afterwards, he administers all participants a measure of statistical knowledge. He expects that the statistics lecture has a positive impact on statistical knowledge. He collects the following data: GroupStatistics Score Lecture (n = 100)Mean=91.45 Newspaper (n = 100)Mean=79.52 Identify the IV: IV continuous or discrete? If discrete, what are the levels? Identify the DV: DV continuous or discrete? If discrete, what are the levels? Write a hypothesis that matches the type of data collected: What statistical analysis should be used? Why?
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