Quiz 2 Flashcards
1
Q
Standard scores
A
Used to compare or combine scores from performances with units of measure that aren’t the same:
- T-scores
- Z-scores
2
Q
Z-scores
A
- Converts raw score into a z-score (a std dev unit)
- Tells us how far or below the MEAN a score is
- Mean = 0
- Each std-dev is 1
3
Q
T-scores
A
- Take it one step further from mean
- T-score = 10z + 50
- Mean = 50
- Each std dev is 10