Pysch Ch 2-1 Quiz

 1. Psychologists use the scientific method when gathering and analyzing information in a systematic way.

• TRUE
• FALSE

 2. Psychologists regularly develop theories based on case studies.

• TRUE
• FALSE

3. A cross-sectional study is a type of quantitative study.

• TRUE
• FALSE

4. One diff erence between an interview and a questionnaire is that the psychologist conducting an interview can clarify or rephrase a question.

• TRUE
• FALSE

5. Researchers use experiments when they have more than two variables to consider.

• TRUE
• FALSE

 6. Lisa draws 10 names out of bowl containing the names of all the students at her school to determine which students she will interview for a study on the school’s computer usage. This is an example of a

• A. stratified sample.
• B. random sample.
• C. case study.
• D. cross-sectional study.

 7. Which of the following is most likely to have a negative correlation?

• A. a person’s ability as a driver and number of accidents
• B. the price of a television and the size of the television’s screen
• C. hours spent practicing the viola and chances of getting into the orchestra
• D. the age of a child and the child’s reading ability

8. A research study examined the intellectual growth of 20 premature children over a period of 18 years. This is best described as an example of

• A. a longitudinal study.
• B. a cross-sectional study.
• C. a case study
• D. naturalistic observation.

9. In a study, what is a relatively small group out of the total population called?

• A. case study
• B. variable
• C. control group
• D. sample

10. What do the APA’s ethical principles say about the use of deception in research?

• A. Deception may never be used
• B. Participants must be fully informed about any deception before the research begins
• C. Deception should be used only if no better alternative is available
• D. As long as no participants are harmed, deception can be used whenever the researcher wishes.