## Description

**PSYC 255 Quiz 3 – Question and Answers**

- Caron has developed a _____________ that states there is a relationship between caffeine and alertness.
- A research question is _____________ and a research topic is _____________.
- Each day that Jim walks to class he notices that his fellow students always have their heads down looking at their phones. Jim tells his professor he would like to conduct a study looking at why students spend so much time looking at their phones. Jim has just gotten a research idea from _____________.
- According to the textbook, the use of the Internet for searching is questionable because the Internet is not always _____________ and _____________.
- When hypotheses for a study are said to be mutually exclusive, this means the hypotheses _____________.
- Dr. Grampa is working hard on his research testing a drug which will influence the onset of a newly identified psychological disorder. Dr. Grampa most likely got his idea from _____________.
- When selecting a research hypothesis, researchers can have either a _____________ or _____________ research hypothesis.
- You have been discussing a research project with your friend Connor. Connor has told you that his research hypothesis states, the mean of population 1 is not equal to the mean of population 2. How would you write this research hypothesis in symbols?
- A nondirectional research hypothesis states that there _____________.
- Carolina has developed two hypotheses for her research question. The first hypothesis is known as the null hypothesis and states there will be no difference between the scores on the dependent variables. Her second hypothesis is known as a research hypothesis and states _____________.
- For his study, Tim has stated his research hypothesis as: H1 µ1 < µ2. What do the symbols mean?
- Jenn believes that her writing abilities are better than John’s writing abilities. If Jenn presents this as a research hypothesis, Jenn is stating what kind of research hypothesis?
- 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?
- A _____________ is an idea that is not very well defined.
- Kevin has developed a research question. In addition, he has developed two hypotheses for his research question. The first hypothesis states there is no difference between the scores on the dependent variables. This is known as the _____________ hypothesis.
- A large majority of psychological research uses _____________ scales because they lend themselves to more advanced statistical procedures as compared to the rest.
- There are three ways to assess each type of measure for dependent variables. Which of the following is one of those three ways?
- There are several types of measures for dependent variables. Attitudinal measures _____________.
- Julie is studying the likelihood that college students will take 8am classes. To look at this likelihood, Julie has students respond on a 7-point scale, where 1 is “not at all likely” and 7 is “very likely.” Julie is using a(n) _____________ scale to look at the likelihood of college students taking 8am classes.
- When conducting a study, you notice that most of the scores fall primarily at the lower range of the response option. This pattern of data is known as the _____________.
- 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?
- Which of the following is not a type of measure for a dependent variable covered in the textbook?
- Josetta is conducting a study looking at individuals habits when preparing food. Specifically, she is measuring the number of times a person uses incorrect food preparation behaviors. To conduct this study, Josetta is going into people’s homes and watching them prepare meals. Josetta is primarily collecting _____________ measures for her dependent variable.
- Robyn has been working on developing a new task to test the reaction time of athletes. As she begins to test athletes using her new task, she notices that all the athletes are scoring extremely high on her test. Robyn’s task has fallen prey to a _____________.
- When a researcher classifies data into an order or rank of magnitude, the researcher is using a(n) _____________ scale.
- 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.
- The average of correct responses to overall responses represents which type of way to assess a measure?
- Student rankings in a class is an example of a(n) _____________ scale.
- Lauren is conducting a study on the decision making processes an individual goes through when buying items. Specifically, Lauren is measuring the attributes and mental connections made when making a purchase. Lauren is collecting _____________ measures for her dependent variable.
- When conducting research, it is important to properly define how a concept or idea will be measured. This is known as a(n) _____________.

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