Research Methods
Evidence-Based Practice (EBP) is the process that
What is combines practitioner expertise with client characteristics and best research evidence?
The strongest research design for determining causality is
What is pretest/posttest control group design ?
A researcher generalize what is learned from the research sample to the population when
What is when a sample is representative of the population?
Threats to internal validity may compromise
What is the ability to claim that the intervention caused the outcome?
During a study looking at the incidence of separation anxiety in children living in New York City, 9/11 occurred. A sharp rise in separation anxiety ensued. This is an example of
What is history ?
Another term for "pretest" is
What is baseline ?
The pretest/posttest comparison group design is considered a quasi-experimental design because
What is there is no random assignment to groups?
How does sample size affect generalizability?
What is larger samples improve the ability to generalize findings?
Randomization targets this threat to internal validity
What is selection bias?
A social worker wants to test if a new 6-week mindfulness workshop reduces stress levels among high school students. The dependent variable is
What is stress levels?
An inert or fake substance or procedure that has positive effects on outcomes is known as
What is a placebo ?
A _____________ design collects data from participants at one time only
What is cross-sectional design?
The degree of error to be expected when generalizing from a sample to the population
What is sampling error ?
Researchers know that the relationship between variables is due to the intervention and not merely coincidental or caused by an external factor when
What is when the three conditions that prove a causal relationship are met?
The sequence best describes the deductive logic of inquiry
What is theory → hypothesis → data?
Randomization refers to
What is the process of randomly assigning participants to study conditions.
A longitudinal research method involving repeated observations of the same variable over regular intervals to identify trends, cycles, or shifts caused by an intervention is
What is a time-series study/design?
The main feature of a nonprobablilty sample is
What is findings not primarily used to generalize to the larger population?
The relationship between the internal validity and external validity of a research study is
What is as internal validity increases, external validity decreases?
Research which combines qualitative and quantitative approaches is known as:
What is mixed methods research?
The measure of an outcome for a client after the intervention has been implemented?
What is posttest ?
In the Post-Test Only Control Group design, which potential threat to internal validity is eliminated?
What is testing?
You are doing research on hospital personnel—orderlies, technicians, nurses, and doctors. You want to be sure you draw a sample that has cases in each of the personnel categories. You want to use probability sampling. An appropriate strategy would be
What is stratified sampling?
___________ is an extraneous variable that attributes changes in the outcome to the passage of time.
What is maturation ?
Control groups can be unethical in social work research because we do not want to withhold interventions from those who need treatment?
What is we do not want to withhold interventions from those who need treatment?