quiz Flashcards
(36 cards)
totality of elements
composed of many people
Population
representative of the population / subset
SAMPLE
determines the accuracy of research
SAMPLING TECHNIQUES
every member has the chance to be selected/respondents
PROBABILITY SAMPLING
population are given an equal chance to be selected.
SIMPLE RANDOM SAMPLING
requires selectine,
samples based en a system of intervals.
SYSTEMATIC RANDOM SAMPLING
involves the division of a population inte smaller groups known as strata.
STRATIFIED RANDOM SAMPLING
divide a population into clusters, and randemly sclect of these clugters as sample.
CLUSTER SAMPLING
not every member has the chance to be selected
NON PROBABILITY
availability of the member and lor proximity
CONVENIENCE SAMPLING
samples are chosen based on the goals of the study.
PURPOSIVE SAMPLING
the researcher selects from histher judgement
QUOTA SAMPLING
participants in the study were tasked to recruit other members for the study.
SNOWBALL SAMPLING
Tools to collect, measure, and analyze data.
RESEARCH INTRUMENTS
Research Instruments Characteristics
VALIDITY
RELIABILITY
OBJECTIVITY
Measures what it is supposed to measure.
VALIDITY
An instruments consistently measures what it is supposed to
RELIABILITY
Absence of subjective judgements
OBJECTIVITY
rate or rank statements according to the scale provided.
LIKERT SCALE
series of bipolar adjectives will be rated by the respondents.
consist of opposite adjectives at each end.
SEMANTIC DIFFERENTIAL
how closely it appears to measure the concept or quality it’s intended to.
FACE VALIDITY
meets the objectives of the study.
CONTENT VALIDITY
can predict results like those similar tests already validated.
CONCURRENT VALIDITY
as it corresponds to the theoretical construct of the study.
CONSTRUCT VALIDITY