Study Guide for Midterm Part 1.
- Compare
and contrast dependent, independent, and control variables.
- What
is the mathematical relationship between the independent and dependent
variables?
- Describe
conceptual and operational definitions of variables.
- What is
the purpose of a control variable?
- For a
given independent and dependent variable, be able to provide an example of
a control variable.
- Explain
“causal relationship.”
- List
and describe the levels of measurement for variables.
- Describe
“null hypothesis.”
- Describe
“research hypothesis” and “alternative hypothesis.”
- Be
able to describe the magnitude and direction of a given hypothesis.
- What
is the purpose of using a randomized sample?
- What
is required to show causation?
- What
is triangulation?
- What
are the elements required to obtain informed consent?
- Be
able to describe 3 types of spurious relationships and provide an example
of each.
- Be
able to describe the 4 levels of measurement and provide an example of
each.
- Describe
simple random sample, systematic sample, stratified sample, and
convenience sample.
- Be
able to describe the following research designs, their schematic
representation, and provide advantages and disadvantages of each design:
one-shot case study, experimental, time series, delayed effect, non-equivalent
control group, posttest only control group.
- Describe
the following threats to internal validity: history, maturation,
experimental mortality, instrumentation, testing, and regression artifact.
- What
is the difference between basic and applied research?
- What
are the steps of the research process?
- Review
the lecture on Research Variables.
- Compare
and contrast prospective and retrospective studies.
- Compare
and contrast cross-sectional and longitudinal designs.
- Describe
blinding.
- Compare
and contrast internal and external validity.