types of reliability tes

internal consistency reliability

determining how all items on a test relate to all other items

interrator reliability

multiple raters of a particular behavior have similar scores ex: if all the judges on the voice turn their chairs for a singer

test re-test reliability

scores consistent from testing session to testing session

split half reliability

split test into two using odd even strategy the two halves should correlate

equivalent or alternate reliability

two tests that are identical in every way except actual items included