EDCO 735 Statistics Week 1 Quiz
Which of the following is not necessary for causal inference? - Correct answer-external
validity
Which of the following is not true about the standardization of scores - Correct answer-
the standard deviation always equals two
Which element is not typically included in a well designed behavioral experiment? -
Correct answer-uncontrolled variables
Assigning individuals to groups based on a variable related to (IE may covary with the
dependent variable) The study variable of interest is: - Correct answer-matching
Which of these is not a typical part of an experiment? - Correct answer-manipulation of
mediators
What type of research compares naturally formed or preexisting groups rather than
employing random assignment to conditions? - Correct answer-quasi-experimental
research
In recent years many statisticians have argued: - Correct answer-for looser application
of measurement requirements
Nonexperimental research designs: - Correct answer-do not typically involve an
intervention
The level of measurement has an absolute zero as a meaningful value is: - Correct
answer-ratio
Which of the following is not considered to be quantitative? - Correct answer-nominal
In simple random sampling, population members: - Correct answer-have an equal
chance of being selected
Nonexperimental studies tend to include: - Correct answer-assessment of the outcome
variable
The degree to which a study's results can be replicated in real-world settings is: -
Correct answer-external validity
What kind of sampling involves every member of the population having an equal chance
of being selected? - Correct answer-random sampling
Which of the following is not necessary for causal inference? - Correct answer-external
validity
Which of the following is not true about the standardization of scores - Correct answer-
the standard deviation always equals two
Which element is not typically included in a well designed behavioral experiment? -
Correct answer-uncontrolled variables
Assigning individuals to groups based on a variable related to (IE may covary with the
dependent variable) The study variable of interest is: - Correct answer-matching
Which of these is not a typical part of an experiment? - Correct answer-manipulation of
mediators
What type of research compares naturally formed or preexisting groups rather than
employing random assignment to conditions? - Correct answer-quasi-experimental
research
In recent years many statisticians have argued: - Correct answer-for looser application
of measurement requirements
Nonexperimental research designs: - Correct answer-do not typically involve an
intervention
The level of measurement has an absolute zero as a meaningful value is: - Correct
answer-ratio
Which of the following is not considered to be quantitative? - Correct answer-nominal
In simple random sampling, population members: - Correct answer-have an equal
chance of being selected
Nonexperimental studies tend to include: - Correct answer-assessment of the outcome
variable
The degree to which a study's results can be replicated in real-world settings is: -
Correct answer-external validity
What kind of sampling involves every member of the population having an equal chance
of being selected? - Correct answer-random sampling
