Practical Terminolgy

Question 1

What is accuracy in the context of measurement?

Answer 1

Closeness to the results to the true value

Use control variables to enhance accuracy.

Question 2

Define precision.

Answer 2

How close your data is

Precision relates to the repeatability of measurements.

Question 3

What does resolution refer to in measurement?

Answer 3

Smallest unit you can measure to

Examples include increasing decimal points or using equipment with higher resolution.

Question 4

What is meant by validity in research?

Answer 4

Is it measuring what it is supposed to be measuring?

Use controlled variable or a control

Question 5

Define repeatability.

Answer 5

If the same person repeats the experiment, how similar the results will be

Repeat the experiment to see if results are consistent.

Question 6

What is reproducibility?

Answer 6

If a different person does the same experiment, will their results be similar?

Achieved by using a standardized method, statistical tests, and standard deviation.