Sampling and Citation Flashcards
(47 cards)
an individual that participates in research
research subject
research subjects are also referred to as
human subjects
research participants
study volunteers
characteristics that the prospective subjects must have if they are to be included in the study
inclusion criteria
characteristics that disqualify prospective subjects from inclusion in the study
exclusion criteria
The act of studying or examining only a segment of the population to represent the whole.
Sampling
the entire group that you want to draw conclusions about
population
the specific group of individuals that you will collect data from
Sample
the actual list of individuals that the sample will be drawn from
Sampling frame
your population is all 1000 employees of the company
your ________________________ is the company’s HR database which lists the name and contact details of every employee
sampling frame
Slovin’s Formula
sample size = population size/population size (margin of error)^2
2 kinds of sampling technique
Probability
Non probability
Probability sampling technique make use of “_________________” in selecting the sample of the study
chance process
do not use “the chance process” in obtaining the sample of a study
Non probability sampling
4 types of probability sampling technique
Random Sampling Technique
Stratified Random Sampling Technique
Systematic Sampling Technique
Cluster Sampling
There is no room for haphazard and unsystematic way of choosing the individual sample
simple random
Simplest methods of simple random sampling
Lottery approach
Fish bowl approach
Applicable only if the population is small and the complete list of elements in the population is available
Simple random
STRATIFIED RANDOM SAMPLING is used for research work of population which is composed of several categories or _______________
strata
From each of these strata, the sample size will be drawn _________________
proportionately
Most appropriate sampling technique if the objects or individuals are arranged in some ways such as alphabetically, numbering, etc.
Systematic Sampling
kth interval formula
k=N/n
is best used to study large, spread-out populations, where aiming to interview each subject would be costly, time-consuming, and perhaps impossible
Cluster sampling
the researcher divides the population into separate groups, called ______________. then, a simple random sample of these are selected from the population.
clusters
Can be used with cluster and stratified sampling
simple random sampling or systematic sampling?