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:

• Dr. Klatchuk is conducting an experiment that has two experimental groups. In order to control for differences between her subjects, she flips a coin and uses chance to determine which subjects belong in which group. The procedure that Dr. Klatchuk is using to place participants in the various groups is called:
  • random sampling.
    • Incorrect.
  • random grouping.
    • Incorrect.
  • random assignment.
    • Correct.
  • random choice.
    • Incorrect.
• 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.
• Dr. Ishigami is interested in whether meditation can have an impact on a person’s openness to new experiences. Her experiment includes two groups of participants: one group who are trained in meditation over the course of 3 weeks and another group that spent a comparable amount of time taking a nutrition course. She measures participants’ openness using the Standard Openness Scale, a survey tool that has been used in past research to measure a person’s openness. What is the independent variable?
  • Openness
    • Incorrect.
  • Standard Openness Scale
    • Incorrect.
  • Meditation training
    • Correct.
  • Nutrition Condition
    • Incorrect.
• Which of the following correlation coefficients indicates the strongest relationship between two variables?
  • -.50
    • Incorrect.
  • -.90
    • Correct.
  • +.80
    • Incorrect.
  • 0.01
    • Incorrect.
• If income and shoe size are positively correlated, which of the following statements is TRUE?
  • As shoe size decreases income also decreases.
    • Correct.
  • Usually someone with small feet will earn a high income.
    • Incorrect.
  • As shoe size decreases income varies randomly.
    • Incorrect.
  • Usually someone earning a low income will have large feet.
    • Incorrect.
• Research demonstrates that the Myers-Briggs Personality-Type Indicator does not align with any other empirically-tested personality assessment tool. It also does not produce the same results consistently in the same participants at two different time points. These findings suggests that the Myers-Briggs has _____ and _____, respectively.
  • low validity; low reliability
    • Correct.
  • low reliability; low validity
    • Incorrect.
  • low validity; high reliability
    • Incorrect.
  • low reliability; high validity
    • Incorrect.

Sources

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