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PSYC 255 Quiz 3 with Answers

1. Unlike a research topic that is defined broadly, a _____________ is better defined to provide direction for researchers.
2. For his study, Tim has stated his research hypothesis as: H1 µ1 < µ2.  What do the symbols mean?
3. Caron has developed a _____________ that states there is a relationship between caffeine and alertness.
4. You have been discussing a research project with your friend Jerri.  Jerri has told you that her research hypothesis states, the mean of population 1 is less than the mean of population 2.  How would you write this research hypothesis in symbols?
5. Sara is working hard reviewing the literature for a research study.  Finally, after several days of reviewing literature, Sara stumbles across a good research idea.  This would be an example of Sara using _____________ to find a research idea.
6. In the chapter, a study by Albert Bandura was discussed.  Which of the following was not a research topic?
7. According to the textbook, John believed that there were no differences in writing abilities between himself and Jenn.  John is stating what kind of hypothesis?
8. A research hypothesis can state all of the following except, _____________.
9. When searching for research on a topic, it is recommended that you use _____________ to increase the number of search results.
10. What does the following mean in words: H0 µ1 = µ2?
11. A _____________ is an idea that is not very well defined.
12. The null hypothesis is represented in symbols as _____________.
13. When hypotheses for a study are said to be mutually exclusive, this means the hypotheses _____________.
14. A research question is _____________ and a research topic is _____________.
15. The research hypothesis is represented in symbols as _____________.
16. When a researcher classifies data into an order or rank of magnitude, the researcher is using a(n) _____________ scale.
17. In the Are You Equipped? section at the beginning of the chapter, a study was described looking at the relationship between temperature and preference for different movie genres.  There were two studies conducted. In the first study, students were given either cold tea or hot tea to drink. In the second study; students were placed in a cold (59–62 degrees Fahrenheit) or warm room (72–76 degrees Fahrenheit). How many levels of the independent variable were there in the first study?
18. When a researcher classifies data on a scale that assumes equal distance between numbers, the researcher is using a(n) _____________ scale.
19. Dave is conducting research on consumer preference for different products.  Dave has participants provide a rank order of the products they prefer.  By asking for a ranking of their preferences, Dave is using a(n) _____________ scale.
20. James is conducting a study on professors’ attitudes toward text messaging in class.  Specifically, he is measuring whether professors believe that text messaging is disruptive to class and whether text messaging is becoming a problem in higher education.  James is collecting _____________ measures for his dependent variable.
21. Jerry is conducting a study on the type of leadership style (i.e., democratic or autocratic) a person has and the influence that style has on employee satisfaction.  He plans on measuring satisfaction using a 10-question survey where participants respond on a 5-point scale. How many levels of the independent variable were there in this study?
22. In the textbook, an article was described about Saturday morning cartoons.  Specifically, the article stated there was a positive relationship between childhood aggression and violent cartoons.  However, no mention was made of how the term “violent cartoons” was defined.  Thus, the researchers had failed to use a(n) _____________ when reporting their study.
23. An independent variable is the variable in a study that is _____________.
24. The number of conditions for a specific independent variable is called the _____________.
25. Which of the following is a type of measure for a dependent variable?
26. Jerry is conducting a study on the type of leadership style (i.e., democratic or autocratic) a person has and the influence that style has on employee satisfaction.  What is the independent variable in this study?
27. The sum of the number of times a person/group responds to a question represents which type of way to assess a measure?
28. The variable in a study that researchers measure because it is believed to change is called the _____________.
29. Samantha is conducting a study on stress management in newly hired employees at a large corporation.  She is measuring the levels of stress through blood work and EKG monitoring of the new hires.  Samantha is collecting _____________ measures for her dependent variable.
30. Student rankings in a class is an example of a(n) _____________ scale.