Psychology 330 Introduction to Statistics for the Behavioral Sciences Final Exam

Question

Psychology 330 Introduction to Statistics for the Behavioral Sciences Final Exam Research Scenarios Scenario 251: Although a greater percentage of American students are enrolling in college, many do not complete and earn their degree. One university in California required a "First-year Experience" program for all freshman and new transfer students and gathered data on a measure of academic preparation and success before and after the program. Scenario 447 A maternity ward tracks the number of hours in labor among women who received relaxation therapy, music therapy or no therapy while in Scenario 350: In the U.S. today, divorce rates are at an all-time high and people are marrying later or not at all. Researchers investigated factors that might impact people's decision to stay together. They gathered data on couple's communication quality, satisfaction with their relationship, and age.

Explanation / Answer

251: A t-test should be used here to make comparisons between data gathered before the program and data gathered after the program.

447: An independent one-way ANOVA should be used to measure differences between subject groups.

350: A Peasons correlation should be used to find the strength and direction of the relationship between the variables of interest.

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