Validity vs. Reliability
This term refers to the consistency or stability of assessment results across time.
What is reliability?
Administering the exact same test to the same group of students on two separate occasions measures what characteristic.
What is retest reliability?
This characteristic describes the level at which an assessment accurately measures what it intends to measure for a specific purpose.
What is validity?
When two teachers grade the same essay assignment and compare their scoring consistency, they are measuring this.
What is reliability?
Ensuring a physics test covers all the specific standards and topics taught during a unit establishes this characteristic.
What is content validity?