Skills

Question 1

“control” of a variable is?

Answer 1

even without the indep var, what would happen?

does the indep var actually change anything or would the results have been regardless if it the IV weren’t there?

Question 2

what is “accuracy”?

Answer 2

refers to how correct a measurement is, ie how close it is to the true value

Question 3

reliability, first 🖐🏻 experiments?

Answer 3

refers to how consistent measurements are, ie if measurement repeated many times, they will give identical (simil) results if rel

to be meaningful, lrg sample size

Question 4

reliability, second 🖐🏻 experiments?

Answer 4

refers to whether information is trustworthy, ie whether consistent with other reputable sources

Question 5

validity, first 🖐🏻 experiments?

Answer 5

relates to EXPERIMENTAL METHOD

extent to which results measure what you are aiming to measure, eg exp method appropriate?
controlled variables kept constant?
only testing 1 variable at a time?
discarded invalid measurements?

Question 6

validity, second 🖐🏻 experiments?

Answer 6

involves checking whether information gathered is accurate/correct and APPLICABLE

Question 7

what are the 6 points you must keep in mind when designing an experiment?

Answer 7

1. How the independent variable is changed
2. How the dependent variable is measured
3. Variables kept constant
4. Repetition
5. Logical sequence
6. Have a control?

Question 8

what is a piece of equipment you can use for temperature experiments?

Answer 8

incubator