PR EXAM Flashcards
It refers to a collection of individuals who share one or more noteworthy traits that are of interest to the researcher.
POPULATION
may be all the individuals belonging to a specific category or a narrower subset within that larger group.
POPULATION
It is a small portion of the population selected for observation and analysis.
SAMPLE
It is the procedure of getting a small portion of the population for research.
SAMPLING
It refers to the extent your findings can be applied in other contexts.
GENERALIZIBILITY
4 ways to determine sample size
HEURISTICS
LITERATURE REVIEW
FORMULAS
POWER ANALYSIS
The rule of thumb for the sample size used in a study.
HEREUSTICS
You may read studies similar to yours and check the sample size they used.
LITERATURE REVIEW
*refer to the formula provided in the book
FORMULA
Considered the most precise and is founded on the principle of statistical power.
POWER ANALYSIS
advantage of sampling first three
SAVES TIME MONEY EFORT
YIELDS BETTER OUTCOMES
FASTER LESS EXPENSIVE COST EFFECTIVE
advantage of sampling last ttwo
MORE ACCURATE
PROVIDES MORE COMPREHENSIVE INFORMATION
The formula is ideal for big populations. A margin of error of 5% is considered acceptable.
SLOVINS FORMULA
slovins equation
N/( 1 + NE2)
Every member of the population has a probability of being selected or included in the sample.
PROBABILITY SAMPLING