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 Cluster Sampling 2 Secondary Data 3 Survey Study 4 Experimental Study 5 Parameter 6 Statistic 7 Systematic Sampling 8 Primary Data 9 Sample 10 Population 11 Observational Study 12 Bias 13 Stratified Sampling a method involving selecting participants at a regular interval data that is collected directly by someone other than the researcher data that is collected directly by 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 measure or value of the sample a method involving dividing potential participants with similarities into groups. Then participants are selected randomly from these groups a group within the population a method involving dividing participants into groups. Then some of the groups are selected to participate in the study a study where researchers try to understand a cause and an effect relationship when data is collected in a way that does not represent the population 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