Sources of Measurement Error

Reliability expresses...

Error causes____ , so the greater the ____, the lower the ____

Reliability traditionally focuses on _____

"true scores" are free of ____

This is the standard deviation of these multiple measures—shows how much inconsistency

What are the advantages of SEM (standard error of measurement)?

What are "compositional" effects?

Why do compositional effects happen?

What are some examples of changes that could create compostional effects?

What are some plausible explanations for score differences?

In traditional measures, error can have...

In generalizability theory, error can have...

generalizability theory

convergent discriminant evidence