Sampling and Sample Size- Research Exam 3

Sampling and Sample Size- Research Exam 3

29 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
Sample
A microcosm of the pop you wish to study
Why do we sample
-saves time and money and you get an accurate representation of the study (greater ability to generalize) 
Population
A well-defined se that has certain specified properties: people, animals, objects, or events.The entire group one wishes to describeRepresented by "N"
Target Population
The entire set of cases about which the researcher would like to make generalizations
Accessible Population
One that meets the population criteria and that is availableIt's what is used by the researcher
Sampling Frame
The list from which a sample is selected 
Sample
A set of elements that make up the populationThose that are selected for the studyRepresented by "N"
Element
The most basic unit about which the information is collected
Sampling
The process of selecting a portion of the designated population to represent the population
Representative Sample
Sample whose key characteristics closely approximate those of the pop
Eligibility Criteria
Population description used to select the array of all possible units 
Exclusion Criteria 
Characteristics that restrict the pop to a homogenous group of subjects 
Response Rate
Percentage of successfully contacted respondents who participate
Sampling Error
Subjects do not adequately represent pop
Sampling Bias
Subjects over/ under represent the pop on some characteristics