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Discovering Statistics

Statistics

Quiz 18 :

Exploratory Factor Analysis

Quiz 18 :

Exploratory Factor Analysis

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Which of the following represents a simple analogy for factor analysis?
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Multiple Choice
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Answer:

C

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Which adjustment method is used when factor scores can still correlate with each other?
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Multiple Choice
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Answer:

A

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An R-matrix could be used to assess a participant's response to a survey on personality and character.
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True False
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True

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Error is also known as?
Multiple Choice
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Exploratory factor analysis assumes what?
Multiple Choice
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Identification of error avoids what?
Multiple Choice
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In the study described in Q2,you ask questions based on themes of interest in PhD topic,sociability with other PhD students,ability to talk about PhD studies enthusiastically,ability to talk about other students' studies,interest in an academic career beyond studies,interest in other PhD students' academic careers.You find a negative correlation between scores on the R-matrix around ability to talk about PhD studies enthusiastically,interest in an academic career beyond studies and interest in PhD topic,and a positive correlation between sociability with other PhD students,ability to talk about other students' studies and interest in other PhD students' academic careers.These two correlations are called?
Multiple Choice
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Factors determined from correlation with other variables in the R-matrix are the same as the independent variables in factorial ANOVA.
True False
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Based on your answer to Q4,why is this the case?
Multiple Choice
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The use of factor analysis in the social sciences is common because social science studies often research correlations with which type of variable?
Multiple Choice
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Why is there no intercept in the equation for describing factors?
Multiple Choice
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Squared multiple correlation (SMC)is used to estimate what?
Multiple Choice
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Within the common factor model,measured variables are expressed as what?
Multiple Choice
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Orthogonal rotation and oblique rotation are two types of what?
Multiple Choice
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Principal component analysis is concerned with establishing which linear components exist within data.
True False
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Taking the scores from the R-matrix produced in Q8,and the two correlations found,what is the next stage in the analysis?
Multiple Choice
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When factor scores have a mean of 0 and a standard deviation of 1,which adjustment method has been used on factor scores?
Multiple Choice
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What is principal component analysis?
Multiple Choice
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In such a study,questions are grouped into themes of sociability,morals,comprehension and perception of themselves.When constructing an R-matrix,the diagonal line from top left to bottom right will show which figure?
Multiple Choice
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What does ML stand for?
Multiple Choice
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