a variable changed by other variables

evidence that comes from direct experience, scientifically gathered data, or experimentation

a scholarly research step that entails identifying and studying all existing studies on a topic to

create a basis for new research

a defined group serving as the subject of a study

the degree to which a sociological measure accurately reflects the topic of study

small, manageable number of subjects that represent the population

the testing of a hypothesis under controlled conditions

represent research collected in numerical form that can be counted

a practice of remaining impartial, without bias or judgment during the course of a study and in

publishing results