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An article in the San Luis Obispo Tribune (Sep- tember 7, 1999) described an experiment designed to investigate the effect of creatine supplements on the de- velopment of muscle ?bers. The article states that the researchers "looked at 19 men, all about 25 years of age and similar in weight, lean body mass, and capacity to lift weights. Ten were given creatine-25 grams a day for the ?rst week, followed by 5 grams a day for the rest of the study. The rest were given a fake preparation. No one was told what he was getting. All the men worked out under the guidance of the same trainer. The response variable measured was gain in fat-free mass (in percent)."
a. What extraneous variables are identi?ed in the given statement, and what strategy did the researchers use to deal with them?
b. Do you think it was important that the men participating in the experiment were not told whether they were receiving creatine or the placebo? Explain.
c. This experiment was not conducted in a double-blind manner. Do you think it would have been a good idea to make this a double-blind experiment? Explain.
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the demand and supply functions for the world truffle market are given byqd 48 000 - 40pqs -3000 10pwhere p is the
Involving the e-Activity's testimony regarding the FBI's efforts to investigate IP theft, identify two best practices owners / executives can implement to protect against possible IP theft.
1. a taxicab company maintained accurate records of the expenses for one of its automobiles from january 1 1996
Explain succinctly how can fertility choice be interpreted as an economic problem. That is, identify resources and competitive ends involved in the problem of choosing how many children to have.
The market price of the product the firm produces is $4 at each quantity supplied by the firm. What is the amount of labor that this profit-maximizing firm will hire,or what wage rate will it pay.
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George caught 300 fish and 10 wild boars. John grew 300 bunches of bananas. The 2 person economy that George & John set up, fish sell for 1 clamshell each, boars sell for 10 clamshell each
How might the Fed respond to a problem of substantial unemployment? How might the Fed respond to a problem of high inflation? Can the Fed fight both inflation and unemployment?
How much should the retailer set the camera price at in order to maximize his own profit and what is the most logical explanation to what may have happened assuming that both companies kept doing business afterwards as usual?
suppose that in an attempt to raise more revenue nobody state university increases its tuition. will this necessarily
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