Secondary Data
Cluster Sampling
Bias
Parameter
Observational Study
Experimental Study
Survey Study
Population
Primary Data
Statistic
Sample
Systematic Sampling
Stratified Sampling
the entire group a researcher is interested in
a study where researchers survey a group or groups from a population to estimate the characteristics of the whole population
data that is collected directly by the researcher
a measure or value of the sample
a method involving dividing participants into groups. Then some of the groups are selected to participate in the study
a group within the population
when data is collected in a way that does not represent the population
a study where researchers try to understand a cause and an effect relationship
data that is collected directly by someone other than the researcher
a measure or value of the entire population
a study where researchers observe the effect of a specific factor on a group or groups of a population
a method involving selecting participants at a regular interval
a method involving dividing potential participants with similarities into groups. Then participants are selected randomly from these groups
