A percentile score can be determined directly from the __________.
a. mode
b. median
c. mean
d. standard deviation difference from the norm mean
Question 2What measure must be calculated before you can find the standard deviation?
a. mean
b. mode
c. median
d. percentile score
Question 3Much of the time, people's scores fall into a normal distribution. What does this mean?
a. Most people's scores are identical because people share so many of the same qualities.
b. Men score on the higher end of the scale, and women score on the lower end.
c. Most people score in the middle and fewer score at the extremes.
d. Most people score at the two extremes of the scale.
Question 4Tyson has found that his scale on conscientiousness correlates well with his friend Natasha's scale on conscientiousness. This is a sign of __________.
a. inter-rater reliability
b. convergent validity
c. internal reliability
d. face validity
Question 5When all the questions in a personality questionnaire measure the same thing, the questionnaire is considered to have __________.
a. internal reliability
b. statistical significance
c. inter-rater reliability
d. validity
Question 6What makes a research finding statistically significant?
a. The researcher can determine the significance of the correlation.
b. The probability is less than 5 that the results are due to random chance.
c. Having a sample size larger than 10 participants.
d. Having multiple studies replicate the same finding.
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