Chapter 5 Flashcards
a statement of how variables are expected to be related to one another, often according to prediction from a theory
Hypothesis
a factor thought to be significant for human behavior, which can vary (or change) from one case to another.
Variable
the way in which a researcher measures a variable
Operational Definition
one of seven procedures that sociologists use to collect data: surveys, participant observation, case studies, secondary analysis, documents, experiments, and unobtrusive measures.
Research Method/Design
the extent to which an operational definition measures what it is intended to measure.
Validity
the extent to which research produces consistent or dependable results
Reliability
the collection of data by having people answer a series of questions
Survey
a target group to be studied
Population
the individuals intended to represent the population to be studied
Sample
a sample in which everyone in the target population has the same chance of being included in the study
Random Sample
a sample from selected subgroups of that target population in which everyone in those subgroups has an equal chance of being included in the research.
Stratified Random Sample
people’s response to a survey, either in interviews or be self-administered questionnaires.
Respondents
a list of questions to be asked of respondents
Questionnaires
questionnaires that respondents fill out
Self-Administered Questionnaires
direct questioning of respondents
Interview