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Descriptive Statistics
Research
Qualitative Data
Survey Designs
Inferential Statistics
100
The average or sum of all the scores divided by the number of scores.
What is the mean?
100
In this type of research, we systematically identify our participants and sties through random sampling.
What is quantitative research?
100
An individual who has an official or unofficial role at the site, provides entrance to a site, helps researchers locate people, and assists in the identification of places to study.
What is a gatekeeper?
100
Procedures in quantitative research in which investigators administer a survey to a sample or to the entire population of people to describe the attitudes , opinions, behaviors, or characteristics of the population.
What is survey research design?
100
A bell-shaped histogram or frequency polygon that approximate a precise and important distribution.
What is a normal curve?
200
a measure of the representative (or typical) value in a group of scores. The most common single value in a distribution.
What is the mode?
200
In this type of research we identify our participants and sites on purposeful sampling.
What is qualitative research?
200
The process of gathering open-ended firsthand information by observing people and places at a research site.
What is observation?
200
a procedure in which a researcher makes changes in an instrument based on feedback from a small number of individuals who complete and evaluate the instrument.
What is a pilot test?
200
The mean, variance, and standard deviation of a population.
What is population parameters?
300
If you line up all the scores, from lowest to highest it is the middle score.
What is the median?
300
A purposeful sampling strategy in which the researcher samples cases or individuals that differ on some characteristic or trait.
What is Maximal Variation Sampling?
300
This occurs when researchers ask one or more participants general, open-ended questions and records their answers.
What is interview?
300
A form of data collection in survey research in which the investigator mails a questionnaire to members of the sample.
What is a mailed questionnaire?
300
The mean, variance and standard deviation you figure for the scores in a sample.
What is sample statistics?
400
the average of each scores squared difference from the mean.
What is the variance?
400
samples of individuals or sites based on membership in a subgroup that has defining characteristics.
What is Homogenous Sampling?
400
Consist of public and private records that qualitative researchers obtain about a site or participants in a study; can include newspapers, minutes of meetings, personal journals and letters.
What is documents?
400
a survey instrument for collecting data that is available on the computer.
What is a web-based questionnaire?
400
The expected relative frequency of a particular outcome.
What is probability?
500
the spread of a group of scores.
What is the standard deviation?
500
A form of purposeful sampling strategy in which the researcher samples individuals or sites because they can help the researcher generate or discover a theory or specific concepts within the theory.
What is concept sampling?
500
Consist of images or sounds that researchers collect to help them understand the central phenomenon under study.
What is audiovisual materials?
500
An alternative to a one-on-one interview. The researcher locates or develops a survey instrument, convenes a small group of people (typically a group of 4 to 6) who can answer the questions and records their comments on the instrument.
What is focus group interviews?
500
Term used in discussing probability for the result of an experiment (or almost any event, such as a coin coming up heads or it raining tomorrow).
What is outcome?