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Research Designs & Characteristics
Potpourri
Characteristics of Variables & Scales
Characteristics of Measurement & Methods
Sampling & Its Related Concepts
100
The type of research where you begin with the data and then you develop and explanation for it.
What is inductive theory?
100
Studies of evidence-based practice including reviews of an intervention that set criteria for the kinds of studies to be included based on study design, the population studied and the outcomes.
What are systematic reviews?
100
Scales that have fixed measurement units but no fixed zero point. There can be mutually exclusive categories. One example of this type of scale is IQ.
What is an interval scale?
100
A survey that takes measurements from all elements of a population.
What is the census?
100
When sampling distributions have normal shapes, these "distances" are determined around the most common value.
What are confidence levels?
200
Connecting concepts to observations to include what is measured, how the indicators are measured and the rules used to assign a value.
What is an operational definition?
200
Repeated cross-sectional studies that involve gathering data at two or more points in time from different samples of the same population.
What are trend studies?
200
A tentative statement about empirical reality involving 2 or more variables.
What is a hypothesis?
200
When researchers measure an unchanging phenomenon at two different times with different measures, the degree to which the two measurements are related.
What is alternate forms reliability?
200
Cluster sampling is an example of another general category of sampling known as...
What is probability sampling?
300
A type of study including samples selected from people who have experienced a similar event or a common starting point.
What is a cohort study?
300
Not revealing individual names in research.
What is anonymity?
300
A symbol or variable that represents a separate category or different status.
What is a discrete variable?
300
Why researchers use multiple items to measure a single concept. They are looking for...
What is internal consistency or reliability?
300
A social work researcher has decided to do a study of people who have adopted children from other countries. He asks a friend, whom he knows to have recently adopted a baby from China if he would consent to an interview. He interviews his friend, and then asks his friend if he could name other people who have recently adopted children outside of the US. His friend provides him with five names. The researcher contacts those five people, interviews them, and asks each of those people for names of other families. Name this sampling technique.
What is snowball sampling?
400
Collecting data over long periods of time. Sometimes these studies can be generational.
What is a longitudinal study?
400
Not revealing identity of participants in a research study through any data collected.
What is confidentiality?
400
A variable that represents a quantity that can be described in terms of order, spread between the numbers, and/or relative amounts.
What is a continuous variable?
400
Showing a relationship between two measures of the same construct that are assessed using different methods.
What is convergent validity?
400
A researcher gets a list of all 500 members of the National Association of Social Work in Happyville that she wants to include in her study. She only has funding and time to survey 50 members. She takes her list of members, randomly selects a starting point, and selects every 10th name from the list to be included in her sample. In this example the sampling interval is....
What is 10?
500
The research method that emphasizes the depth of understanding with idiographic concerns rather than attempting to show cause and effect relationships.
What is qualitative research inquiry or method.
500
The concepts that comprise a variable. They are characteristics or qualities that describe something or somebody.
What are attributes?
500
The variable that produces change.
What is the independent variable?
500
The tendency of persons who score very high on some measure to score lower the next time, or the reverse, for persons who score very low to score higher. This is a form of random error and a test for internal validity.
What is regression to the mean?
500
A graph that looks like a bell.
What is a normal distribution curve.