RESEARCH METHODS F/ BEHAV.(LL)-W/MINTAP
RESEARCH METHODS F/ BEHAV.(LL)-W/MINTAP
6th Edition
ISBN: 9781337755016
Author: GRAVETTER
Publisher: CENGAGE L
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Chapter 14, Problem 12E
To determine

The reasons why researchers might have ethical reservations about beginning the second baseline phase in and ABAB single case design

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Explain five consequences of omitting a relevant variable(s) from a model.
PLEASE DON'T UPLOAD A PICTURE OF THE ANSWER. PLEASE TYPE IT SO I CAN COPY AND PASTE IT INTO MY NOTES. THANK YOU!!   Chi-Square Good of Fit Problem: Automobile insurance is much more expensive for teenage drivers than for older drivers. To justify this cost difference, insurance companies claim that the younger drivers are much more likely to be involved in costly accidents.  To test this claim, a researcher obtained information about registered drivers from the Department of Motor Vehicles (DMV) and selected a sample of n = 300 accidents reports from the police department.  The DMV reports the percentage of registered drivers in each age category as follows: 16% are younger than age 20,; 28%are 20 to 29 years old;and 56% are age 30 and older.  The number of accidents reports for each age group is as follows: Under age 20                  Age 20-29                      Age 30 and older 68                                               92                                             140 Is…
Imagine you need to come up with a diagnostic test to monitor the viral load of patients with HIV. If the viral load is higher than a set standard, there is evidence the anti-retroviral therapy is no longer working and the patient needs to be moved to a different therapy that costs more money. Thus, false positives incur higher costs. However, if the test misses higher than normal viral loads (for patients in treatment), then the patient runs the risk of developing AIDS. Hence, false negatives result in a likely deadly disease. How would you balance these two types of error in devising your test? Minimize beta by raising the one-tailed alpha, since greater power will reduce false negatives and save patients O Minimize the one-tailed alpha, since lower P-values indicate the test is highly significant and prevent prematurely switching the patients Minimize the one-tailed alpha and beta, since this action will prevent prematurely switching the patients and reduce false negatives, thereby…
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