Which of the following study designs focuses on finding a
cause and effect relationship among variables, but uses a
lower level of control?
Answer
s:
a.
Phenomenology
b.
Experimental
c.
Descriptive
d.
Quasiexperimental
Response
Feedback:
Question 3
There is no measurable differe...
Which of the following study designs focuses on finding a
cause and effect relationship among variables, but uses a
lower level of control?
Answer a.
s: Phenomenology
b.
Experimental
c.
Descriptive
d.
Quasi-
experimental
Response
Feedback:
Question 3
There is no measurable difference in incidence of
incarceration for adolescent children whose mothers work
outside the home in comparison with those whose mothers
do not work outside the home.
The above statement is an example of which of the following?
Answer a.
s: Research
question
b.
Research
objective
c.
Aim of the study
d.
Null hypothesis
Response A hypothesis is a formal statement of the expected
Feedback
:
relationship or relationships between two or more
variables in a specified population. The null hypothesis,
also referred to as a statistical hypothesis, is used for
, statistical testing and interpretation of statistical
outcomes. The null hypothesis can be simple or complex
and associative or causal.The null hypothesis states that
there is no relationship between two or more
variables. Extraneous variables exist in all studies and
can affect the measurement of study variables and the
relationships among them. Research objectives or
aims are clear, concise, declarative statements that are
expressed in the present tense, focus on one or two
variables (or concepts), and indicate whether the
variables are to be identified or described. A research
question is a concise, interrogative statement that is
worded in the present tense and includes one or more
variables (or concepts).
Question 4
The report of a research study on a new medication to treat
hypertension included this statement: “There was no
significant difference in gender or age between the
treatment and control groups.” Based on the statement, the
reader of the report recognizes that gender and age were
Answer a.
s: demographic
variables
b.
moderator
variables
c.
confounding
variables
d.
Environmental
variables
Response Age and Gender are demographic
Feedback:
variables
Question 5
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