Your Name:
When Your Psych Class Meets:
1. A prediction based on a theory is a(n):
a. hypothesis b. operational definition c. hunch d. confirmation
Answer:
2. Research in which you find out lots of information about a small number of people relevant to your theory is called:
a. introspection b. confirmation bias c. a case study d. naturalistic observation
3. The laboratory experiment is a research method in which the investigator:
a. systematically observes two variables to see whether there is an association between them b. observes behavior as it occurs in its natural environment c. conducts an in-depth investigation of an individual subject d. changes a variable and observes whether there are changes in a second variable as a result
4. When you do observational research, what do you have to try to avoid doing?
Essay: 5. You have a hypothesis that having a bigger lunch makes people sleepier in the afternoon, compared with a smaller lunch. You decide to design an experiment to study this hypothesis. You give one group of people a big lunch and another group of people a small lunch. Three hours later you ask them to tell you how sleepy they are.
What is the independent variable? What is the dependent variable? How would you measure the dependent variable?