types of data Flashcards
what are the 4 types of data?
•nominal
•ordinal
•interval
(ratio)
what are the 4 types of data also known as?
the levels of measurement
what is nominal data?
•named data, measures of frequency
•tally chart
•named categories are mutually exclusive- you can’t be in more than one
(male/ female, smoker/ non smoker)
what is ordinal data?
•ranking or rating data
•self- report questionnaire, usually subjective (opinions)
•eg an essay being marked, olympic gold medalists (ranking), bake-off
what is interval data?
•uses any standard unit of measurement
•there are equal spaces/ intervals between each unit
•objective data (like the lykert scale)
•no 0 point (IQ, temperature)
(ratio data has a 0 point- like height- but you don’t need to know that x)
what is an independent groups design known as?
an unrelated design
what are repeated measures and matched pairs known as?
related designs (because the groups are related to eachother)