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Flashcards in Vocabulary Deck (8):
1

precise/precision

a precise measurement will be the result of using the correct piece of equipment with appropriate resolution or smallest division (e.g. mm not cm)
very little spread about the mean value

2

valid

a fair test with variables that you can control so that they do not change your experiment

3

accurate

reliable and precise measurements can produce results very close to the value
if close to the true value
you can only hope it is accurate
you repeat (reliability), make it a fair test, calculate an average

4

fair test

only the independent variable has been allowed to affect the dependent variable

5

continuos variable

values (quantity) that can be given a magnitude (size) either by counting or by measurement
CHECK

6

control variable

the variable that you keep the same

7

independent variable

the variable that you measure (x-axis)

8

dependent variable

the variable that you measure as a result of changing the independent variable (y-axis)