Evaluation) Exam Questions and
Answers 100% Pass
The most valuable type of research is - ✔✔The experiment, used to discover cause any
fact relationships
quasi experiment - ✔✔research procedure which does not meet the requirements of a
true experiment. The researcher uses pre-existing groups and hence the independent
variable cannot be altered. In a quasi-experiment you cannot state with any degree of
statistical confidence that the IV caused the DV
ex post facto - ✔✔after the fact intact pre-existing groups are utilized. The IV was
administered before the research begin
Threats to internal validity - ✔✔Include maturation of subjects mortality, instrument
used to measure the behavior or treat, and statistical regression
Statistical regression - ✔✔Extreme scores regress to the mean
Internal validity - ✔✔Refers to whether the dependent variables were truly influenced
by the experimental independent variables Or whether other factors have an impact
Factor analysis - ✔✔A statistical procedure that identifies clusters of related items on a
test
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,chi square - ✔✔tests whether or not there is a real difference between categories. A
statistical measure of the test whether a distribution differs significantly from an
expected theoretical distribution
Parsimony - ✔✔Interpreting the results in the simplest way
Ocamms razor Suggest that experimenters - ✔✔Interpret the results and the simplest
manner
confounded/Flawed - ✔✔The experiment is said to be invalid due to an extraneous
independent variable. Variables which are undesirable confound or flaw the experiment
And experiment is said to be confounded when - ✔✔And desirable variables are not
kept out of the experiment
Applied research - ✔✔Carried out to solve a problem
Of variable is - ✔✔A factor that varies or is capable of change. It can exist on at least
two levels are conditions
In an experiment that IV is - ✔✔The variable that the researcher manipulates, controls,
cultures, or wishes to experiment with
The dependent variable - ✔✔is the outcome or response that the researcher wants to
predict or explain. DV begins with a D and so does the word data. The DVD express the
data regarding factors you wish to measure
Discrete - ✔✔Unconnected; separate; distinct. Ex. Brand of counseling or occupation
Continuous - ✔✔Going on without stopping. Ex Height or weight
The variable you manipulate/control in the experiment is - ✔✔Independent Variable
("I" manipulate)
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, What is the difference between the control group and the experimental group - ✔✔The
control group will not have the experimental treatment applied to them. (The control
group does not receive the independent variable (IV)/
If you cannot randomly assign the subjects to the two groups then the research is a -
✔✔Quasi experiment
How many people should there at least be to conduct a true experiment? - ✔✔30 and
100 to conduct a survey
The experimental group receives the - ✔✔Independent Variable (IV)
Organismic Variable - ✔✔The researcher cannot control, yet it exists such as height and
weight or gender
Hypothesis testing is most closely related to the work of - ✔✔R.A. Fisher
Hypothesis - ✔✔A statement which can be tested regarding the relationship of the IV
and the DV
Null Hypothesis - ✔✔Suggests there will not be a significant difference between the IV
and the control group even after the experimental variable is applied
Experimental hypothesis - ✔✔Suggests that a difference will be evident between the
control group and the experimental group (i.e. the group receiving the IV)
Meta Analysis - ✔✔A study that analyzes the findings of numerous studies
Descriptive statistics - ✔✔Describes data (e.g. mean, mode, median)
Percentile rank - ✔✔Tells what percentage of cases fell below a certain level
Percentage score - ✔✔Another way of stating a raw score
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