Question
In: Statistics and Probability
1-Which type of bias can be minimized by masking the study subjects to the study hypothesis...
1-Which type of bias can be minimized by masking the study subjects to the study hypothesis and by using diseased controls if conducting a case-control study?
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Selection bias |
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Misclassification bias |
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Interview bias |
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Recall bias |
2-Which type of bias can be minimized using sensitive and specific criteria to define the exposure and disease?
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Selection bias |
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Misclassification bias |
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Interview bias |
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Recall bias |
Solutions
Answer question
orchestra answered 2 years agoRelated Solutions
1.Loss to follow-up bias is an important concern in which type of epidemiologic study? 2.Which of...
1.Loss to follow-up bias is an important concern in which type
of epidemiologic study?
2.Which of the following is a method for controlling confounding
in the analysis phase only of a study?
3.An analytic method that simultaneously adjusts for several
variables (confounders) is called:
4.For a variable to be a confounder, it must be:
5.A study design method to control confounding involving the
selection of study subjects so that potential confounders are
distributed identically is called:
6.Residual confounding can result...
Which of the following is NOT a type of bias? -Randomization bias -Misclassification bias -Confounding -...
Which of the following is NOT a type
of bias?
-Randomization bias
-Misclassification bias
-Confounding
- information bias
- selection bias
How can bias change results in a study? How can bias influence a person who wants...
How can bias change results in a study? How can bias influence a
person who wants to conduct a study? What key things can you look
for when conducting a study to eliminate bias?
How can bias change results in a study? How can bias influence a person who wants...
How can bias change results in a study? How can bias influence a
person who wants to conduct a study? What key things can you look
for when conducting a study to eliminate bias?
1-The healthy worker effect is a form of what type of bias? Selection bias Observation bias...
1-The healthy worker effect is a form of what type of bias?
Selection bias
Observation bias
Interviewer/recording bias
Recall bias
2-Which of the following alternative explanations should be
ruled out in order to consider a study valid?
Bias
Confounding
Random error
All of the above
3-Which of the following define bias?
The probability that the observed result is due to "chance"
A systematic error in the design or conduct of a study that
leads to an incorrect or invalid estimate...
Match the study with the type of study design. A type of study design can be...
Match the study with the type of study design. A type of study
design can be used more than once.
a. Cross-sectional study
b. Randomized controlled trial
c. Prospective cohort study
d. Ecological study
e. Retrospective cohort study
1.All UMD students are surveyed on the first day of class,
asking about their current vaping use.
2. A group of adolescents are randomized to receive either a
comprehensive sex education program or an abstinence-only program.
Pregnancy rates are compared at at...
1 - Herding is a behavioral bias that assumes the hypothesis of : a) Homogenous expectations....
1 - Herding is a behavioral bias that assumes the hypothesis of
:
a) Homogenous expectations.
b) Informational asymmetry.
c) Standardized financial disclosure.
2 - The strong form of efficiency can be achieved through
technical analysis. True false
3 - Which of the following can not be considered among the
cross-sectional market anomalies?
a ) Size effect.
b ) Growth effect.
c ) Value effect.
4 - Active investing refers to a management strategy where the
manager makes specific investments...
1)Which type of bias might result from asking members of the hockey team if they think...
1)Which type of bias might result from asking members of
the hockey team if they think they will make the
playoffs.
a) household bias b) sampling bias c) response bias d) non-
response bias
2) Which type of bias might result if a local agency sends
out surveys to people in the mail asking information about their
donating habits.
a) household bias b) sampling bias c) response bias d)
non- response bias
3)Which type of bias might result from a...
can bias be corrected during the analysis phase of a study? And is improving the accuracy...
can
bias be corrected during the analysis phase of a study?
And is improving the accuracy of data collection a way to
reduce misclassification ?
1) In the Health ABC Study, 522 subjects owned a pet and 1982 subjects did not....
1) In the Health ABC Study, 522 subjects owned a pet and 1982
subjects did not. Among the pet owners, there were 295 women; 968
of the non-pet owners were women. Find the proportion of pet owners
who were women. Do the same for the non-pet owners. (Be sure to let
Population 1 correspond to the group with the higher proportion so
that the difference will be positive. Round your answers to three
decimal places.)
p̂1
=
p̂2
=
Give...
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