Psychology: Unit 3 Exam (Research Methods)

What's a weakness of case studies?

What is the first step when starting an experiment?

A researcher looking for gender differences in 3-year-olds observes a preschool class and records how many minutes children of each gender play with dolls. She then compares the two sets of numbers. What type of descriptive research is she conducting?

Which of the following questions is best investigated by means of a survey?

Which of the following is TRUE about scatterplot A comparing temperatures and ice cream?

According to scatterplot C, which of the following best describes the correlation between the length of a movie and the number of viewers?

Which of the following is a reason why psychologists might conduct research?

Educational psychologists want to research the question "How can teachers use technology in the classroom?" What is the best method of research for this question?

A dependent variable is...

In her experiment, Ms. Gajda wanted to know the impact of donuts on memory. In this experiment, the number of words memorized would be a(n)...

In the donut study mentioned in #10, Ms. Gajda had one group eat donuts before memorizing words and the other group NOT each a donut before memorizing words. The group that did not eat the donuts would represent...

What advantage does an experiment have over a correlational study?

Which is NOT something that is true about "descriptive statistics"?

When looking at descriptive statistics, which term refers to an average of scores?

When looking at descriptive statistics, which term refers to the score that is seen most often?

If a researcher wanted to know how different the highest and lowest scores were on a test, which would be most helpful?

What term refers to "the prediction of results that can be either verified or disproved by an experiment"?

"An approach of gathering information and answering questions so that errors and biases are minimized" is referred to as

Data that is expressed in numbers is called...

Researchers conduct a survey that asks people to list their favorite type of candy. The data collected will be considered...

Which of the following correlational coefficients shows the strongest positive correlation?

The group of people that are chosen to be in a research study are called...

A set of rules or guidelines that define moral behavior is called...

Which of the following groups is responsible for setting rules for experiments?

Which of these is/are ethical concerns in psychological research?

How did the Tuskegee study, the Milgram experiment, and the Stanford Prison experiment impact psychology?

Ms. Gajda's class took a test. She wanted to know how studying had impacted students' scores, so she had students report how much time they had spent studying and compared this information to their scores. What type of research is Ms. Gajda performing?

Read the following research proposal:

Researchers want to learn how eating different diets impacts people's mental health. They plan a study that will provide healthy, nutritious meals to one group while another group is provided a diet composed of processed foods high in fat and calories. Researchers will have participants self-report their mental health throughout the study and counselors will meet with participants to assess their mental health periodically. This study is planned to last for 6 months.

Answer the following questions as if you were a member of an IRB evaluating proposed research. Your answers should be in complete sentences, but there is no length requirement.

a) What questions or clarifications do you have about the METHOD of this study (i.e. how the study is set up)?

b) What questions or clarifications do you have regarding the ETHICS of this study?

c) What are the potential benefits of this research study?

d) What are the potential harms of this research study?

e) Would you approve this study? WHY? (You can answer "yes," "no," or "maybe," but you must explain your answer.)

Which of the graphs shown depicts a "normal" distribution?

Which of the graphs shown depicts a "left" (or "negative") skew?

Which of the graphs shown best fits the scenario: "Most people in the class did poorly on the exam, but a few people scored very well, which brought up the class's average."