Module 5: Data Collection

Question 1

variables that is considered as the “intervention” usually causing an effect to a factor

Answer 1

independent variable

Question 2

variable that is being affected; the outcome

Answer 2

dependent variable

Question 3

variable that are not studied but can affect the experiment

Answer 3

extraneous/demographic variables

Question 4

level of measurement that simply categorizes

label only

Answer 4

nominal

Question 5

level of measurement where variable have specific order

label + rank

Answer 5

ordinal

Question 6

lvl of measurement where there is no true 0 , it describes the difference but cannot be interpreted; can be negative
label + rank + equal intervals

Answer 6

interval

Question 7

lvl of measurement where there is true 0, such as height, exam score, weight; has results

Answer 7

ratio

Question 8

what are the methods of data collection

Answer 8

1. observation
2. written questionnaire/ survey
3. interview
4. review of existing records
5. hardware instrumentation, test, measures

Question 9

it is the consistency of a research study or measuring a test

Answer 9

reliability