Reliability and Evaluating Conclusions Flashcards
1
Q
What is precision?
A
The closeness of two or more measurements of the same sample.
2
Q
What is accuracy?
A
How close your measurement is to the actual value.
3
Q
How can variablity of data be shown?
A
Error bars or confidence intervals.
4
Q
What is a statistically significant result?
A
One where the difference between groups is unlikely to be due to chance alone. If the error bars dont overlap there is a significant difference so it is not due to chance.
5
Q
How is the strenght of a correlation judged?
A
By looking at the closeness of the individual data points to the line of best fit.
6
Q
What should a conclusion refer to?
A
The aims, hypotheses and results of the study, as well as the validity and reliability and exsisting knowledge from previous studies.
