Download Guided Liberty University CEFS 521 Quiz 2 

Download Guided Liberty University CEFS 521 Quiz 2


  • A research team designed a demographic questionnaire to collect information about participants. Which of the following variables identified on the questionnaire provides an example of an ordinal scale variable?
  • When comparing the four scales of measurement, what distinguishes the interval scale from the ratio scale?
  • The teacher calculates the highest score as being 97 and the lowest score as being 75. What is the range?
  • A researcher wants to know if IQ predicts success in college. Which analysis is most appropriate?
  • There are 12 participants who agree to take the test for a study focused on wellness. The total of all the participants’ scores is 96. What is the mean?
  • In studying the correlation between the number of hours studied and scores on the comprehensive exam, the researcher found a correlation of .30. According to Cohen’s guidelines, what would this mean regarding the strength of the relationship?
  • A student conducting a research study was told by her professor to use a scatterplot in conjunction with calculating the correlation coefficient. She discovered that the data points clustered along a straight line. This means:
  • A researcher determines that there is a positive correlation between sleep and test scores. This means as the amount of sleep is increased then test scores:
  • When looking at a list of students’ test scores, the teacher notices that one test score is extremely lower than the majority of the scores. This is known as a(an):
  • The teacher has a small class with only 7 students. The teacher grades their homework and reports scores of: 10, 7, 8, 12, 9, 11, and 13. What is the median?
  • The group scores to which each individual is compared are referred to as
  • A raw score can be transformed into any type of standard score by first
  • Grade equivalents are useful because they
  • Which type of normalized standard score is widely used in education and categorizes test performance in nine broad units?
  • Raw scores
  • Aptitude, intelligence, and achievement tests are all examples of
  • A T score has a fixed mean of __________ and a fixed standard deviation of ___________.
  • In order to convert a raw score to a Z score, the following values are needed:
  • A test should not be used for purposes not specifically recommended by the test developer unless
  • In a test which results in a report that describes how well the test taker does in comparison with other individuals, it is important to consider whether the

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