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File drawer problem

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1) How does the "file drawer phenomenon" influence the entire body of research on a subject? Provide an example of the "file drawer phenomenon"

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The file drawer phenomenon is the pattern that studies with non-significant results are less likely to get published than studies with significant results. It is so-called because researchers, upon finding non-significant results, tend to 'file' the study in a drawer instead of trying to publish it.

The problem with this pattern is that if it is widespread, it can cause major misunderstandings about true patterns in data. Imagine, for example, that a new drug has been developed to treat HIV. Based on typical statistical approaches, we'll never know for sure if our new drug is effective at treating HIV, but we can ...

Solution Summary

Explains the file drawer phenomenon (the fact that non-significant results are less likely to be published than significant ones) and the effects on our understanding of scientific patterns.

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the Doll two-drawer filing cabinet:Inventory problem

12-19 Annual demand for the Doll two-drawer filing cabinet is 50,000 units. Bill Doll, president of Doll Office Suppliers, controls one of the largest office supply stores in Nevada. He estimates that the ordering cost is $10 per order. The carrying cost is $4 per unit per
year. It takes 25 days between the time that Bill places an order for the two-drawer filing cabinets and the time when they are received at his warehouse. During this time, the daily demand is estimated to be 250 units.

(a) Compute the EOQ, ROP, and optimal number of orders per year.
(b) Bill Doll now believes that the carrying cost may be as high as $16 per unit per year. Furthermore, Bill estimates that the lead time may be 35 days instead of 25 days. Redo part (a), using these revised estimates.

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