3.2 experimentation

Question 1

what does validity mean

Answer 1

variables are controlled so that any measured effect is likely to be due to the independent variable

Question 2

what does reliability mean

Answer 2

consistent values in repeats and independent replicates

Question 3

what does accuracy mean

Answer 3

data, or means of data sets, are close to the true value

Question 4

what does precision mean

Answer 4

measured values are close to each other