Page 13 - Microsoft PowerPoint - Type A & Type B Personalities
P. 13
random
Reliable measures are replicable. They contain mainly
or we then look for
systematic
little (
and true (real) score variation and little systematic or random A test must first be proven reliable (it must measure
variation p To determine exactly what it measures,
score “something” consistently).
Reliability (real) true error.
y validity evidence.