What is crowdsourcing? Explain, with an example, some of the drawbacks of crowdsourcing
What will be an ideal response?
The term "crowdsourcing" describes how tasks can be delegated to large diffuse groups or communities who often volunteer their contributions. Unlike outsourcing, in which an organization contracts with a vendor to do work, crowdsourcing depends on engaging people in tasks they find interesting or rewarding, or collecting data about what people are doing anyway as they go about their daily work.
Wikipedia is a well-known site that amasses collective intelligence and volunteer labor, in this case to create a vast online encyclopedia with more than 3 million entries, far more than Britannica or other competitors.
Wikipedia demonstrates some of the downsides of crowdsourcing. Bias and self-interest can motivate authors, particularly for hot political issues. For instance, staff of U.S. Congress members have been caught editing articles about their bosses and deleting references to campaign pledges they never fulfilled.
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Which one of the following statements is correct?
A. The net present value is a measure of profits expressed in today's dollars. B. The net present value is positive when the required return exceeds the internal rate of return. C. If the initial cost of a project is increased, the net present value of that project will also increase. D. If the internal rate of return equals the required return, the net present value will equal zero. E. Net present value is equal to an investment's cash inflows discounted to today's dollars.
A test of the null hypothesis where the alternative hypothesis is not expressed directionally is called a ________ test
A) one-tailed B) two-tailed C) three-tailed D) four-tailed E) A and B