Intro - Mid
لجنة الطب البشري | الفكرة التي تحيا على نبض قلوبكم
- 1.
Which of the following is not a category that is used to distinguish between different types of variables ?
- A.
Nominal
- B.
Ordinal
- C.
Continuous
- D.
Analytical
Correct Answer
D. Analytical -
- 2.
A farmer applies different fertilizer to his cotton crops, to see which will make his plants grow the highest. What is the IV?
- A.
Different cotton crops
- B.
Height of plants.
- C.
Type of fertilizer
- D.
Growth of plants
Correct Answer
C. Type of fertilizer -
- 3.
A farmer applies different fertilizer to his cotton crops, to see which will make his plants grow the highest. What is the dependent variable?
- A.
Type of fertilizer
- B.
Height of plants
- C.
Growth of plants
- D.
Different cotton crops
Correct Answer
B. Height of plants -
- 4.
I use different types of weed killers on my lawn to see which one kills the most weeds. What is the DV?
- A.
Amount of weeds killed
- B.
Types of weed killers
- C.
Types of weeds
- D.
Most weeds
Correct Answer
A. Amount of weeds killed -
- 5.
In a study about headaches, doctors gave patients Aleve, Tylenol, Advil, and Excedrin, to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the IV?
- A.
Amount of time until pain was relieved
- B.
Headaches
- C.
Amount of medication
- D.
Types of pain reliever
Correct Answer
D. Types of pain reliever -
- 6.
In a study about headaches, doctors gave patients Aleve, Tylenol, Advil, and Excedrin, to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the DV?
- A.
Types of pain relievers
- B.
Amount of time until pain was relieved
- C.
Headaches
- D.
Amount of medication
Correct Answer
B. Amount of time until pain was relieved -
- 7.
The independent variable is the one you measure.
- A.
True
- B.
False
Correct Answer
B. False -
- 8.
The predictor variable is the variable that you change.
- A.
True
- B.
False
Correct Answer
A. True -
- 9.
How many independent variables can you have in an experiment?
- A.
1
- B.
As many as you want
- C.
2
- D.
3
Correct Answer
A. 1 -
- 10.
Which of the following consider as a primary source of information:
- A.
Using available information
- B.
Observing
- C.
Interviewing
- D.
Administering written questuonnaires
Correct Answer
B. Observing -
- 11.
One of the following can be used with illiterate
- A.
Using available information
- B.
Observing
- C.
Interviewing
- D.
Administering written questuonnaires
Correct Answer
C. Interviewing -
- 12.
Observing involves all of the following except one
- A.
Watching
- B.
Recording behavior
- C.
Characteristics of living being and objective
- D.
Census data
Correct Answer
D. Census data -
- 13.
When we divide students into two categories "males and females", This is an example of one of the sampling methods that mention here:
- A.
Convenience
- B.
Cluster
- C.
Stratified
- D.
Multi-stage
Correct Answer
C. Stratified -
- 14.
Analytical involves all of the following except one:
- A.
Experimental
- B.
Review
- C.
Historical data
- D.
Philosophical
Correct Answer
A. Experimental -
- 15.
Which of the following includes examples of quantitative variables?
- A.
Age, temperature, height
- B.
Grade point average, anxiety level, reading performance
- C.
Gender, religion, ethnic group
- D.
Two answers are correct
Correct Answer
A. Age, temperature, height -
- 16.
Which of the following is non probability sampling?
- A.
Snowball
- B.
Random
- C.
Cluster
- D.
Stratified
Correct Answer
A. Snowball -
- 17.
The difference between the mean of a researcher's sample and the mean of the population of the sample is known as the:
- A.
Parameter
- B.
Statistic
- C.
Sampling bias
- D.
Non of the above
Correct Answer
C. Sampling bias -
- 18.
Questionnaire is a :
- A.
Research method
- B.
Measurement technique
- C.
Technique for data collection
- D.
Data analysis technique
Correct Answer
C. Technique for data collection -
- 19.
Is a measure use to compare the dispersion in two sets of data which is independent of the unit of the measurement.
- A.
CV
- B.
S^2
- C.
SD
- D.
×
Correct Answer
A. CV -
- 20.
Measure of variability
- A.
Mean
- B.
Probability
- C.
Two answers are correct
- D.
Dispersion
Correct Answer
D. Dispersion -
- 21.
IF THE VALUES are widely scattered , there is a dispersion .
- A.
Yes, and it is great dispersion
- B.
Yes , there is but it is not great dispersion
- C.
Yes , there is but it son great dispersion
- D.
The statement is totally false.
Correct Answer
A. Yes, and it is great dispersion -
- 22.
Is to be one-phase study rather than longitudinal a known term
- A.
Cohort-study
- B.
Cross sectional study
- C.
Logical study
- D.
All of the listed
Correct Answer
B. Cross sectional study -
- 23.
Statistics method for finding relationship between effects and output
- A.
Logistics
- B.
Discussion
- C.
Description
- D.
Non of the listed
Correct Answer
A. Logistics -
- 24.
CONTENTS OF THE STUDY
- A.
Abstract
- B.
Keywords
- C.
Results
- D.
Introduction
- E.
ALL of the listed
Correct Answer
E. ALL of the listed -
- 25.
How to make varied representation
- A.
Smaller Samples + Organized selected
- B.
Bigger Samples + Organized selected
- C.
Smaller Samples + randomly selected
- D.
Bigger Samples + randomly selected
Correct Answer
D. Bigger Samples + randomly selected -
- 26.
The value which occurs most frequently
- A.
Mean
- B.
Mode
- C.
Median
- D.
Non of the above
Correct Answer
B. Mode -
- 27.
Here is a sample that’s size = 10 The mean is........, number of modes ......., and it equals ......
- A.
X’=13 , 2 , 28
- B.
μ = 36.6 , 1 , 28
- C.
μ = 36.6 , 2 , 28
- D.
X’ = 36.6 , 1 , 28
Correct Answer
D. X’ = 36.6 , 1 , 28 -
- 28.
Your boss ( to be fair ) randomly assigned everyone an extra 2 hours work on Friday between 3 PM and 9 PM What's the chance you get Saturday between 3 and 5 p.m
- A.
12.5%
- B.
25%
- C.
0%
- D.
50%
Correct Answer
C. 0% -
- 29.
Which is a null hypothesis
- A.
Population mean ≠ sample mean
- B.
Sample mean > Population mean
- C.
Population mean < Sample mean
- D.
Population mean <= Sample mean
Correct Answer
D. Population mean <= Sample mean -
- 30.
The area under the standard normal curve between Z=0 & Z=1 is .... the area under the normal curve between Z=1 & Z=2
- A.
Less than
- B.
Greater than
- C.
Equal to
- D.
Non of the above
Correct Answer
B. Greater than -
- 31.
In a statistical test of hypothesis, what happens to the rejection region when alpha, the level of significance, is increased from 0.001 to 0.05
- A.
The answer depends on the value of Beta
- B.
The rejection region is reduced in size
- C.
The rejection region is increased in size
- D.
The rejection region is unaffected
Correct Answer
C. The rejection region is increased in size -
- 32.
A result is called statistically significant whenever
- A.
The null hypothesis is true
- B.
The alternative hypothesis is true
- C.
The alpha is more than 0.05
- D.
The p-value is 0.5
Correct Answer
B. The alternative hypothesis is true -
- 33.
A researcher is conducting an experiment to evaluate a treatment that is expected to reduce blood pressure for individuals in a group of patients who are known to have blood pressure mean of 80 the result will be examined using a two-tailed hypothesis test. Which of the following is the correct statement of the null hypothesis ?
- A.
Population mean = Sample mean
- B.
Sample mean > Population mean
- C.
Population mean < Sample mean
- D.
Population mean ≠ Sample mean
Correct Answer
A. Population mean = Sample mean -
- 34.
Bonus Question :) The one that got the most number of votes at the last College elections
- A.
Alaa AL-Khatib
- B.
Maram Shehab
- C.
Hamza Abuktaish
- D.
I told you, it’s a bonus question :)
Correct Answer
B. Maram Shehab -
- 35.
I use different types of weed killers on my lawn to see which one kills the most weeds. What is the IV?
- A.
Amount of weeds killed
- B.
Types of weeds
- C.
Type of weed killer
- D.
Most weeds
Correct Answer
C. Type of weed killer -
- 36.
Which of the following considered as importance of research:-
- A.
Helps practitioners make professional decisions
- B.
Provides information to policy groups to assist them
- C.
Polishes and refines our clinical practice
- D.
Serves the information needs to concerned public, professional, and private organization
- E.
All of the listed
Correct Answer
E. All of the listed -
- 37.
All of the following are characteristics of research except:-
- A.
Objectivity
- B.
Verification
- C.
Logical reasoning
- D.
Replicate studies
Correct Answer
D. Replicate studies -
- 38.
Constraints influencing knowledge:
- A.
Diversity
- B.
Program variability
- C.
Public institutions
- D.
All above are true
Correct Answer
D. All above are true -
- 39.
In population screening, this symbol (D) refers to:-
- A.
People who tasted negative
- B.
People who don't have the disease
- C.
People who have the disease
- D.
People who tasted positive
Correct Answer
C. People who have the disease -
- 40.
The best describe of specificity is :-
- A.
The ability of the test to identify those who do NOT have the disease
- B.
The ability of the test to identify those who HAVE the disease
- C.
The test is positive but actually don't have the disease
- D.
Non of the listed
Correct Answer
A. The ability of the test to identify those who do NOT have the disease -
- 41.
P(T|D) is symbol of :
- A.
Test negative but have the disease
- B.
Test positive and have the disease
- C.
Test positive, but actually don't have the disease
- D.
والله الحين ناسي يا ولد
Correct Answer
B. Test positive and have the disease -
- 42.
What is the proportion between PPV and prevalence ?
- A.
Inverse proportion
- B.
Direct proportion
- C.
No relation between them
Correct Answer
B. Direct proportion -
- 43.
(T) symbol in population screening refers to
- A.
People who have the disease
- B.
People who don't have the disease
- C.
People who tested positive
- D.
People who tested negative
Correct Answer
C. People who tested positive -
- 44.
Term refers to people who don't have the disease:-
- A.
Sensitivity
- B.
Specificity
- C.
Positive predictive value
- D.
Negative predictive value
Correct Answer
B. Specificity -
- 45.
Which of the following NOT influenced by prevalence :-
- A.
PPV
- B.
Sensitivity
- C.
NPV
- D.
Specificity
- E.
Two answers are correct
Correct Answer
E. Two answers are correct -
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Current Version
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Mar 25, 2019Quiz Edited by
ProProfs Editorial Team -
Mar 25, 2019Quiz Created by
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