Import Response Data
ℹ
CSV format: first column = Student ID, remaining columns = item responses (1=correct, 0=wrong). Optional: include a b, a, c row header for item parameters.
Omitted answers: Leave the cell blank, or enter
Omitted answers: Leave the cell blank, or enter
NA, ., or - for items a student skipped. Omitted items are excluded from theta estimation — they are not counted as wrong.
Click to upload or drag & drop your CSV file
Supports dichotomous (0/1) and polytomous responses
Item Parameters
Import response data to begin psychometric analysis
Theta (θ) Estimation
Complete the analysis to view theta estimates
Score Conversion
Complete the analysis to view score conversions
Item Score Details
Complete the analysis to view item-level details
Item Characteristic Curve (ICC)
Item Parameters
Quick Item Selector
Run analysis to load item parameters
ICC Preview
Item Information Function (IIF)