Bias & Validity Flashcards
1
Q
Bias
A
A shift away from a correct meaning or value.
2
Q
Systematic Error
A
An error that is the same for all readings, such as when forgetting to zero a balance before using it to measure a series of masses.
3
Q
Random
A
When there is an equal chance for one event occurring as there is for any other events in the same set.
4
Q
Valid
A
Something is valid if it is doing what it is supposed to do. A measurement is valid if it measures what it is supposed to measure. A valid conclusion is drawn only from the data that the conclusion is supposed to be drawn from.
