Quantitative Research
2026 | Study Guide,
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, The classic experimental designs to test the effectiveness Sir Ronald Fisher
of treatments were originated by
Who developed quasi-experimental approaches? Campbell and Stanley
Who developed statistical approaches for examining Pearson
relationships between variables?
When little knowledge is available, what type of research Descriptive
is conducted?
___________ research is the exploration and description of Descriptive
phenomena in real life situations.
What type of research provides a hypothesis for future Descriptive
research?
__________ research involves the systematic investigation of Correlational
relationships between or among variables.
In correlational studies, -1 is considered a perfect negative correlation
In correlational studies, +1 is considered a perfect positive correlation
In correlational studies, 0 is considered no relationship
A _________ relationship indicates that both variables positive
increase or decrease together
A negative relationship indicates that the variables vary in opposite directions
The primary intent of ___________ studies is to explain the Correlational
nature of relationships in the real world, not to determine
cause and effect
The purpose of ______________ research is to examine the quasi-experimental
causal relationships or determine the effect of one
variable on another
___________ studies usually involve implementing a treatment quasi-experimental
or intervention and examining the effects of this
intervention using selected methods of measurement
_____________ studies usually lack a certain amount of control quasi-experimental
over the manipulation of the treatment, management of
the setting, and/or the selection of the subjects
Nurse researchers conduct more quasi-experimental Experimental
studies than __________ studies.