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Chapter 5 Vocab

Across
A sample in which everyone in the target population has the same chance of being included in the study
The target group to be studied
A sample from selected subgroups of the target population in which everyone in those subgroups has an equal chance of being included in the research
In a series of scores, the score that falls halfway between the top and bottom scores
Down
In a series of scores, the arithmetic average reached by adding the scores and dividing the total by the number of scores
The individuals intended to represent the population to be studied
The precise way in which a researcher measures a variable
The collection of data by having people answer a series of questions
A statement regarding the ways in which variables are expected to be related to one another, often according to predictions from a theory
A study in which the researcher participates in a research setting while observing what is happening in that setting