math test prep Flashcards
influences the response somehow
leading question
assumes something about the respondent
loaded question
questions ask more than one issue but only want singular response
double-barried
morally correct
ethics
three types of random sampling techniques
random, random groups, non random
percentages of population randomly chosen
simple random sample
chose individuals at regular intervals
systematic random sample
population split into demographics
stratified random sample
pre existing groups of population, representative entire population
cluster random sample
population split into layers that can be selected
neighbourhood, street, houses
multi stage random sample
voluntary sample
chose if want to participate in study
easy access population
convenience sample
numerical data
continuous or discrete
categorical data
ordin vs nominal
ordin- ranked in a logical way
nominal- no order/simple
population vs sample
population- entire collection of people
sample- smaller group of collected sample