UPDATE 2025/2026
Which element is not typically included in a well designed behavioral experiment? - Answers
uncontrolled variables
Nonexperimental research designs: - Answers do not typically involve an intervention
The level of measurement has an absolute zero as a meaningful value is: - Answers ratio
Which of the following is not considered to be quantitative? - Answers nominal
In simple random sampling, population members: - Answers have an equal chance of being
selected
Assigning individuals to groups based on a variable related to (IE may covary with the
dependent variable) The study variable of interest is: - Answers matching
Which of these is not a typical part of an experiment? - Answers manipulation of mediators
What type of research compares naturally formed or preexisting groups rather than employing
random assignment to conditions? - Answers quasi-experimental research
In recent years many statisticians have argued: - Answers for looser application of
measurement requirements
Which of the following is not necessary for causal inference? - Answers external validity
Which of the following is not true about the standardization of scores - Answers the standard
deviation always equals two
Nonexperimental studies tend to include: - Answers assessment of the outcome variable
The degree to which a study's results can be replicated in real-world settings is: - Answers
external validity
What kind of sampling involves every member of the population having an equal chance of
being selected? - Answers random sampling
What percentage of scores are within two standard DEVIATIONS ABOVE AND BELOW THE
MEAN? - Answers 95.44
quasi-experimental design - Answers tend to occur in natural settings
Which of the following is an example of a categorical variable? - Answers hair color
A researcher uses a six-sided dice to assign experiment participants to experimental groups.
The sampling method being used is: - Answers we can not tell from this description