Matching Pairs Statistics Vocabulary Matching Game Part 1Online version Test your knowledge of statistics vocabulary with this fun matching pairs game! by Peter Allen 1 Survey Study 2 Observational Study 3 Parameter 4 Systematic Sampling 5 Population 6 Experimental Study 7 Cluster Sampling 8 Stratified Sampling 9 Bias 10 Secondary Data 11 Statistic 12 Sample 13 Primary Data a method involving dividing potential participants with similarities into groups. Then participants are selected randomly from these groups a study where researchers observe the effect of a specific factor on a group or groups of a population a method involving dividing participants into groups. Then some of the groups are selected to participate in the study a measure or value of the sample data that is collected directly by someone other than the researcher a method involving selecting participants at a regular interval a measure or value of the entire population a study where researchers survey a group or groups from a population to estimate the characteristics of the whole population 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 the entire group a researcher is interested in data that is collected directly by the researcher