Validity, accuracy, reliablity Flashcards
1
Q
What is validity?
A
The extent to which an experimental method measures what it claims to measure
2
Q
What is accuracy?
A
How close a measured value is to its true value
3
Q
What is reliability?
A
The ability of an experiment to produce consistent results.
4
Q
How do we increase reliability?
A
- Repeating experiment
2. Averaging collected values of all repeats
5
Q
How do we increase validity?
A
- Controlling variables
2. Improving measuring method
6
Q
How do we increase accuracy?
A
Using methods that reduce systematic/human error
