Item Analysis

What kind of data do you want to import?

Excel (*.xlsx)

Text (*.txt)

Comma separated (*.csv)

Semikolon separated (*.csv)

SPSS (*.sav)

Select your data

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What are the items to analyze?

What is the minimum value?

What is the maximum value?

Legend:
M = arithmetic mean
SD = standard deviation
Mdn = median / 50.Quantile
CV = coeffcient of variation
SMC = squared multiple correlation
MSA = mean sampling adequacy
PMC = part whole correlation (item total correlation)
Dahl = Dahl difficultiy index
Fisseni = Fisseni difficulty index
% Floor = Frequency of cases on lowest scale value
% Ceilling = Frequency of cases on highest scale value

Item Statistics
Item Distributions

What kind of correlation should be used?

Pearson Correlation

Spearman Correlation

Polychoric Correlation (may take some time)

Export Correlation Matrix

Which factor method should be used for parallel analysis?

Eigenvalues of parallel analysis based on

Which factor method should be used for additional analysis?

Which factor method should be used for EFA?

How many factors should be extracted?

What roation method should be used?

Hide factor loadings below (+/-)