Lab Information 1 Flashcards
1
Q
What do standardized scores do
A
Save time
Improve reliability by reducing measurement error
Facilitate coding and improves efficiency of coding
2
Q
What is measurement error
A
Measured as the explained and unexplained variability
3
Q
What is unexplained variability
Do we want to increase or decrease it
A
Variability in which we dont know how it occured
Decrease
4
Q
What happens when unexplained variability is decreased
A
Reliability increases
5
Q
What is a database
A
System for classifying and organising information
6
Q
What does raw data represent
A
Represents the scores collected for the variables under investigation
7
Q
Raw data should be free from
A
Formatting
8
Q
Good data should be
A
Clean - free from error
Free of formatting
Ready for transfer across platforms
