Introduction to Psychology 1/IPSY101/Experimental research/Quiz

Review questions

Assess your understanding of this learning pathway by selecting the correct answer for each of the following questions:

• Height and weight are positively correlated. This means that as height ________ weight ________.
  • There is no relationship between height and weight.
    • Incorrect.
  • Usually, the taller someone is, the thinner they are.
    • Incorrect.
  • Usually, the shorter someone is, the heavier they are.
    • Incorrect.
  • As height increases, typically weight increases.
    • Correct.
• Which of the following correlation coefficients indicates the strongest relationship between two variables?
  • -.50
    • Incorrect.
  • -.90
    • Correct.
  • +.80
    • Incorrect.
  • 0.00
    • Incorrect.
• Which statement best illustrates a negative correlation between the number of hours spent watching TV the week before an exam and the grade on that exam?
  • Watching too much television leads to poor exam performance.
    • Incorrect.
  • Smart students watch less television.
    • Incorrect.
  • Viewing television interferes with a student’s ability to prepare for the upcoming exam.
    • Incorrect.
  • Students who watch more television perform more poorly on their exams.
    • Correct.
• The correlation coefficient indicates the weakest relationship when ________.
  • it is closest to 0
    • Correct.
  • it is closest to -1
    • Incorrect.
  • it is positive
    • Incorrect.
  • it is negative
    • Incorrect.
• ________ means that everyone in the population has the same likelihood of being asked to participate in the study.
  • operationalizing
    • Incorrect.
  • placebo effect
    • Incorrect.
  • random assignment
    • Incorrect.
  • random sampling
    • Correct.
• The ________ is controlled by the experimenter, while the ________ represents the information collected and statistically analyzed by the experimenter.
  • dependent variable; independent variable
    • Incorrect.
  • independent variable; dependent variable
    • Correct.
  • placebo effect; experimenter bias
    • Incorrect.
  • experiment bias; placebo effect
    • Incorrect.
• Researchers must ________ important concepts in their studies so others would have a clear understanding of exactly how those concepts were defined.
  • randomly assign
    • Incorrect.
  • randomly select
    • Incorrect.
  • operationalize
    • Correct.
  • generalize
    • Incorrect.
• Sometimes, researchers will administer a(n) ________ to participants in the control group to control for the effects that participant expectation might have on the experiment.
  • dependent variable
    • Incorrect.
  • independent variable
    • Incorrect.
  • statistical analysis
    • Incorrect.
  • placebo
    • Correct.
• Researchers might use ________ when providing participants with the full details of the experiment could skew their responses.
  • informed consent
    • Incorrect.
  • deception
    • Correct.
  • ethics
    • Incorrect.
  • debriefing
    • Incorrect.
• A person’s participation in a research project must be ________.
  • confidential
    • Incorrect.
  • rewarded
    • Incorrect.
  • voluntary
    • Correct.
  • public
    • Incorrect.
• Before participating in an experiment, individuals should read and sign the ________ form.
  • informed consent
    • Correct.
  • debriefing
    • Incorrect.
  • REB
    • Correct.
  • ethics
    • Incorrect.

Sources

• OpenStax, Psychology. OpenStax CNX. Oct 31, 2016 Download for free at http://cnx.org/contents/4abf04bf-93a0-45c3-9cbc-2cefd46e68cc@5.52.