Exam 6: Understanding Reliability and Validity: Just the Truth
Exam 1: Statistics or Sadistics Its up to You49 Questions
Exam 2: Means to an End: Computing and Understanding Averages79 Questions
Exam 3: Understanding Variability: Vive La Différence80 Questions
Exam 4: A Picture Really Is Worth a Thousand Words41 Questions
Exam 5: Computing Correlation Coefficients: Ice Cream and Crime77 Questions
Exam 6: Understanding Reliability and Validity: Just the Truth76 Questions
Exam 7: Hypotheticals and You: Testing Your Questions80 Questions
Exam 8: Probability and Why It Counts: Fun With a Bell-Shaped Curve76 Questions
Exam 9: Significantly Significant: What It Means for You and Me78 Questions
Exam 10: Only the Lonely: the One Sample Z-Test78 Questions
Exam 11: Teafor Two: Tests Between the Means of Different Groups69 Questions
Exam 12: Teafor Two Again: Tests Between the Means of Related Groups81 Questions
Exam 13: Two Groups Too Many Try Analysis of Variance74 Questions
Exam 14: Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction77 Questions
Exam 15: Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends78 Questions
Exam 16: Using Linear Regression: Predicting Wholl Win the Super Bowl79 Questions
Exam 17: Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal79 Questions
Exam 18: Some Other Importantstatistical Procedures You Should Know About46 Questions
Exam 19: An Introduction to Data Mining50 Questions
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"A measure of how stable a test is over time" is an example of which of the following types of reliability?
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(Multiple Choice)
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Correct Answer:
B
For a total of 80 possible agreements,there are 60 times where Teacher A and Teacher B agreed on whether students in college checked their cellphone in the classroom.What is the interrater reliability coefficient?
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(Multiple Choice)
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Correct Answer:
D
How does error impact reliability? Write the general equation for reliability that demonstrates this concept.
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(Essay)
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Correct Answer:
An increase in error results in a decrease in reliability,and a decrease in error results in an increase in reliability.Observed Score = True Score + Error Score.
If you correlate scores from your test with some other valid measure that assesses the same set of abilities,what type of validity evidence are you collecting?
(Multiple Choice)
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The correlation between scores from Time 1 and Time 2 is called ______.
(Multiple Choice)
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What type of validity is concerned with the adequate representation of test items?
(Multiple Choice)
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To use archery practice as a metaphor for reliability and validity,hitting the bull's-eye of a target demonstrates ______,whereas repeatedly hitting the target in the same small area demonstrates ______.
(Essay)
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All but which of the following are measures of reliability?
(Multiple Choice)
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Interrater reliability is an example of which of the following?
(Multiple Choice)
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If you wanted to examine the impact of fast-food consumption on weight gain,what would your measurement of weight gain be?
(Multiple Choice)
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The number of agreements between your two raters divided by the total number of possible agreements is the way to calculate ______.
(Multiple Choice)
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Reliability and validity specifically relate to the ______.
(Multiple Choice)
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Test-retest reliability is an example of which of the following?
(Multiple Choice)
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What is the score that you would receive if the test contained no error?
(Multiple Choice)
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Observed scores are commonly exactly the same as true scores in the social and behavioral sciences.
(True/False)
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What is the difference between the TRUE score and the observed score?
(Multiple Choice)
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