Which of the following best describes how to use a test-retest reliability estimate to assess reliability?
a) administer a test with content based on what a person actually needs to know to effectively perform the job in question
b) administer different tests to a group of people and compare the range of collected test scores
c) administer the same test to the same people at two different points in time and compare their test scores at time 2 with their scores at time 1
d) administer the same test to different people at two different points in time and compare their test scores at time 2 with the scores at time 1
Answers: 3
Business, 22.06.2019 12:30
Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d
Answers: 3
Business, 22.06.2019 21:20
Which of the following best describes vertical integration? a. produce goods or services previously purchasedb. develop the ability to produce products that complement the original productc. develop the ability to produce the specified good more efficiently than befored. build long term partnerships with a few supplierse. sell products to a supplier or a distributor
Answers: 2
Business, 23.06.2019 00:30
Braden’s ice cream shop is losing business. he knows that customers are no longer choosing his product because a competing product has become less expensive, yet he has refused to lower his prices. what has happened to braden’s business?
Answers: 1
Business, 23.06.2019 02:00
Opportunity cost is calculated by which of the following? a. adding the value of all lost opportunities. b. subtracting all costs from the total benefit. c. calculating the cost of time, energy, and sacrifice. d. finding the value of the best option that is not chosen.
Answers: 1
Which of the following best describes how to use a test-retest reliability estimate to assess reliab...
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