1. Normality and Implications
Two Tails
Normality and Implications

2. A Normal Curve

3. What is considered Normal?
At the low end:
SD-1 to SD-2
At the high end:
S1 to SD2

4. What is Sub-Normal? SD -3 and Lower SD 3 and higher At the low end:
At the High End
SD -3 and Lower
SD 3 and higher

5. Quick Facts About Students
Struggling Students
“Normally Achieving”
LD and EBD tend to range from 85 to 100
DCD around 50 to 75
“slow learners” around 50 to 75
“Gifted and Talented” tend to range at 115 to 127
Correlated with high achievement
Average students range from 85 to 115