Evidence Based Practice - Quiz Questions and Correct Answers | Latest Update
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Course
Evidence Based
Institution
Evidence Based
The grip strength of a group of 50 to 60 year-olds was investigated. A mean score of 40, SD
of 5, and range of 26-57 were reported. The grip strength score for a given patient was
determined to be 34. You can safely conclude that in a normal distribution this patient's score
fell within:
a. ...
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
Evidence Based Practice - Quiz Questions
and Correct Answers | Latest Update
The grip strength of a group of 50 to 60 year-olds was investigated. A mean score of 40, SD
of 5, and range of 26-57 were reported. The grip strength score for a given patient was
determined to be 34. You can safely conclude that in a normal distribution this patient's score
fell within:
a. 68%
b. 95%
c. 75%
d. 32%
b. 95%
Two therapists are asked to perform a test on the same group of patients using the Functional
Independence Measure (FIM). The results of both sets of measurements reveal differences in
therapists' scores but not in the repeat measurements. This is indicative of a problem in:
a. interrater reliability
b. concurrent validity
c. intrarater reliability
d. construct validity
a. interrater reliability
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A therapist wants to compare the frequencies of carpal tunnel syndrome occurring in different
groups of individuals: assembly line workers and computer programmers. The MOST
appropriate statistical tool to use for analysis of the data is:
a. simple one-way ANOVA
b. t test
c. normal distribution curve
d. chi square test
d. chi square test
In a research study in which there is a skewed distribution with extreme scores on a balance
measure that deviates from the performance of the total groups, the MOST accurate
representation of central tendency is:
a. mean
b. mode
c. standard deviation
d. median
d. median
A therapist is performing clinical research in which a specific myofascial technique is applied
to a patient with chronic back pain. She is using a single case experimental design with an A-
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B-A-B format. Her research hypothesis states that pain rating scores will decrease with the
treatment intervention. Acceptance of this hypothesis would be indicated if:
a. B is less than A
b. B is equal to A
c. B is greater than A, at the 1.0 level
d. B is greater than A, at the .05 level
a. B is less than A
A researcher states that he expects that there will be no significant difference between 20
and 30 year-olds after a 12 week exercise training program using exercise heart rates and
myocardial oxygen consumptions as measures of performance. The kind of hypothesis that is
being used in this study is a (an):
a. experimental hypothesis
b. null hypothesis
c. research hypothesis
d. directional hypothesis
b. null hypothesis
A patient has been screened using a new test for the presence of a mutation in a gene (ALG-
2) linked to Alzheimer's disease. His physician reports he lacks the gene and should not be at
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increased risk to develop the disease. Some years later he develops Alzheimer's and a repeat
test reveals the presence of the mutation. The results of the initial test can be interpreted as:
a. false positive
b. false negative
c. high specificity
d. high sensitivity
b. false negative
A multicenter study was done on the reliability of passive wrist flexion and extension
goniometric measurements using volar/dorsal alignment, ulnar alignment and radial alignment.
Significant differences were revealed between the three techniques. An appropriate level for
determining significant difference is a P value of:
a. P=0.015
b. P=0.5
c. P=0.05
d. P=0.1
c. P=0.05
A therapists conducts a study of the effectiveness of hot and cold in treating patients with
pain. He recruits 200 patients for each treatment group. The pain instrument he uses has a
possible score of 50, with 50 being the worst pain. His data analysis reveals that Group A
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