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EDCO 735 Statistics Week 1 QuizWhich element is not typically included in a well designed behavioral
experiment? - CORRECT ANSWER-uncontrolled variables
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
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
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
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