Term

Definition
No other variable but the one that was studied caused the results. 


Term

Definition
The ability to generalize the study results to other groups and settings beyond those in the current experiment 


Term

Definition
Accurately represents reality
connect to face validity 


Term

Definition
connected to standardized ways of measuring 


Term
What is the importance of randomization? 

Definition
 Allows us to better ascertain that we are not getting idiosyncratic results
 aids in increasing generalizability



Term

Definition
common sense or dictionary definition 


Term

Definition
There is an order, but things like distance is not known 


Term

Definition
Distance between responses are known, but there is no true 0 


Term

Definition
Distance is known, true zero 


Term
What is operationalization? 

Definition
Process by which we spell out precisely how a concept will be measured 


Term

Definition
 group that includes all the cases in which the researcher is interested
 A subset of the defined population aka who/ what we actually attempt to study



Term
Simple Random Sampling
Probability or Not Probability 

Definition
 probability
 all people in the population have an equal chance at being selected.



Term
Systematic Random Sampling
Probability or Not Probability 

Definition
 probability
 members from a larger population are selected according to a random starting point and a fixed periodic interval
 start at a random place, then count every ten after that till you have the desired number of participants



Term
Stratified Random Sampling
Probability or Not Probability 

Definition
 Probability
 used to equally represent all subgroups/strata (proportionate) or overrepresent some subgroups (disproportionate).



Term
Cluster Sampling
Probability or Not Probability 

Definition
 Probability
 seperate clusters within the population are chosen.



Term
Multistage Cluster Sampling
Probability or Not Probability 

Definition
 Probability
 randomly choose clusters and then randomly choose subjects from each cluster



Term
Convenience Sampling
Probability or Not Probability 

Definition
 nonprobability
 literally who is around



Term
Quota Sampling
Probability or Not Probability 

Definition
 Nonprobability
 who is around that best fits into desired catergory



Term
Purposive Sampling
Probability or Not Probability 

Definition
 Nonprobability
 convenience sampling but choosing respondents specifically because of some key aspect



Term
Snowball Sampling
Probability or Not Probability 

Definition
 Nonprobability
 having an initial respondent refer others to participate


