MIDTERM TEST (Lectures 1-8) Flashcards
1
Q
what is a Ceiling Effect?
A
When a task is too easy so all scores are very high
2
Q
What is a floor effect?
A
when a task is too difficult so all scores are very low
3
Q
Four main types of data?
A
Numerical
Categorical
- Ordered
- Unordered
4
Q
Four scales of measurement?
A
- Nominal
- Ordinal
- Interval
- Ratio
5
Q
Numerical data is related to which scale/s of measurement?
Why?
A
interval or ratio scales,
It is numerical, contains a true zero point, allows ratio statements, equal units of measurement and equal distance between points on the scale
