Factor analysis
Quiz
•
Mathematics
•
University
•
Medium
Catarina Neves
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The variance of an indicator is composed by...
communality + variance of unique factor
loading + variance of the unique factor
communality + loading
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Factor analysis, the factors are...
responsible for the correlation between indicators
linear combinations of indicators
linear combinations of records
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Varimax and quartimax are oblique rotations.
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given a data set, if the variables are not correlated, then we should perform a FA.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the variable A has a high communality in factor X, then A is a good measure X.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In PCF (Principal Components Factoring), it is assumed that the communalities are 1.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the communality is 1 then...
the variance of the indicator is composed by shared and unique variance
the variance of the indicator is only composed by the shared variance
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The unique factors are correlated among themselves.
True
False
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