Homework Answers
10. transferability.
11. Asses impact of disease
14. cases, control, random selection
15 useful for rare disease
16. true
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QUESTION 10 1 points Save Answ External validity can be referred to as the Xl of...
question completion Status: QUESTION 1 2 points We want to test the effectiveness of a pre-exposure...
question completion Status: QUESTION 1 2 points We want to test the effectiveness of a pre-exposure prophylaxis (PrEP). Participants are given the pill or not. Each person meets with the researchers once a year for 3 years to check their HIV status. This might be an example of which study design RCT Cross-sectional study Prospective cohort study Case-control study QUESTION 2 The cross products ratio closely approximates the relative risk for case-control studies and cohort studies True False 2 points...
QUESTION 15 In case-control studies, we have 2 groups of people. The group that has the disease we call disease-f...
QUESTION 15 In case-control studies, we have 2 groups of people. The group that has the disease we call disease-free group we call . We use the method of disease free people that are very similar to the people with the disease. to select the QUESTION 16 The following are objectives of epidemiology except: • Evaluate the standard of health O Develop medication to treat disease O Assess the impact of disease 0. O Determine the natural history of disease
QUESTION 3 10 points Save Answ Agreement can be easily reached among all parties on how...
QUESTION 3 10 points Save Answ Agreement can be easily reached among all parties on how to classify various economic dimension of public projects True False QUESTION 4 10 points Save Answe Size of the investment for private sector is usually larger than public sector. True False
QUESTION 5 4 points Save Answ Mass customization is also referred to as which of the...
QUESTION 5 4 points Save Answ Mass customization is also referred to as which of the follwing one-on-one marketing O group marketing O demographic marketing O psychographic marketing.
s Question Completion Status: O 1500 Hz. QUESTION 12 points Save Answ The change in the...
s Question Completion Status: O 1500 Hz. QUESTION 12 points Save Answ The change in the frequency of a wave due to the motion of the source (or observer) is known as O the Doppler effect. O diffraction. the Mach effect. O the Bell effect. O interference. 1 points Save Answe QUESTION 13 An object is placed a distance d in front of a plane mirror. The size of the image will be O half as big as the size...
QUESTION 3 1 points Save An The disease atherosclerosis is an alterable risk factor True False...
QUESTION 3 1 points Save An The disease atherosclerosis is an alterable risk factor True False QUESTION 4 1 points Save Answ Hypothermia is a threat to physically active people in hot, humid weather. True False QUESTION 5 1 points Save Answer The "energy in " side of the body's energy budget is measured in obtained from foods and beverages. that are a. hartrees b. calories c. ergs d. watts e. joules
Question 10 1 points SAVE ANSW Which of the following learning algorithms is most suitable if...
Question 10 1 points SAVE ANSW Which of the following learning algorithms is most suitable if you were to predict how long (in number of minutes) it takes for an individual to make a bid during an auction? O Classification learning O Regression O Decision trees O Association learning Moving to another question will save this response. << Question 10 of 52
Question 1 1 points Save Answ under the same conditions of temperature and pressure, rates of...
Question 1 1 points Save Answ under the same conditions of temperature and pressure, rates of diffusion for gases are directly proportional to the square root of their molar mass True False
Δ Moving to another question will save thi, esponse. Question 1 4 points Save Answ A...
Δ Moving to another question will save thi, esponse. Question 1 4 points Save Answ A 19.14 kg block is initially at rest on a horizontal surface. A horizontal force of 76 N is required to set the block in motion, after which a horizontal force of 46 N is required to keep the block moving with constant speed. Find the coefficient of kinetic friction between the block and the surface.
Choose the study design that best matches each statement described below. The study design may be...
Choose the study design that best matches each statement described below. The study design may be used more than once or none at all. (24 points) Statement Study Design ____ Blinding or masking is used to control potential bias. Case-Control ____ Observational epidemiological studies, this design is cheaper and faster to conduct because of the usage of already existing data. Cross-sectional ____ Control groups can receive the current “standard” treatment or a placebo. Ecological ____ Data on exposure and outcome...
question completion Status: QUESTION 1 2 points We want to test the effectiveness of a pre-exposure prophylaxis (PrEP). Participants are given the pill or not. Each person meets with the researchers once a year for 3 years to check their HIV status. This might be an example of which study design RCT Cross-sectional study Prospective cohort study Case-control study QUESTION 2 The cross products ratio closely approximates the relative risk for case-control studies and cohort studies True False 2 points...
QUESTION 15 In case-control studies, we have 2 groups of people. The group that has the disease we call disease-free group we call . We use the method of disease free people that are very similar to the people with the disease. to select the QUESTION 16 The following are objectives of epidemiology except: • Evaluate the standard of health O Develop medication to treat disease O Assess the impact of disease 0. O Determine the natural history of disease
QUESTION 3 10 points Save Answ Agreement can be easily reached among all parties on how to classify various economic dimension of public projects True False QUESTION 4 10 points Save Answe Size of the investment for private sector is usually larger than public sector. True False
QUESTION 5 4 points Save Answ Mass customization is also referred to as which of the follwing one-on-one marketing O group marketing O demographic marketing O psychographic marketing.
s Question Completion Status: O 1500 Hz. QUESTION 12 points Save Answ The change in the frequency of a wave due to the motion of the source (or observer) is known as O the Doppler effect. O diffraction. the Mach effect. O the Bell effect. O interference. 1 points Save Answe QUESTION 13 An object is placed a distance d in front of a plane mirror. The size of the image will be O half as big as the size...
QUESTION 3 1 points Save An The disease atherosclerosis is an alterable risk factor True False QUESTION 4 1 points Save Answ Hypothermia is a threat to physically active people in hot, humid weather. True False QUESTION 5 1 points Save Answer The "energy in " side of the body's energy budget is measured in obtained from foods and beverages. that are a. hartrees b. calories c. ergs d. watts e. joules
Question 10 1 points SAVE ANSW Which of the following learning algorithms is most suitable if you were to predict how long (in number of minutes) it takes for an individual to make a bid during an auction? O Classification learning O Regression O Decision trees O Association learning Moving to another question will save this response. << Question 10 of 52
Question 1 1 points Save Answ under the same conditions of temperature and pressure, rates of diffusion for gases are directly proportional to the square root of their molar mass True False
Δ Moving to another question will save thi, esponse. Question 1 4 points Save Answ A 19.14 kg block is initially at rest on a horizontal surface. A horizontal force of 76 N is required to set the block in motion, after which a horizontal force of 46 N is required to keep the block moving with constant speed. Find the coefficient of kinetic friction between the block and the surface.
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