DrLen Wants to Determine Whether or Not Dextrin Causes People

question 6

Multiple Choice

Dr.Len wants to determine whether or not dextrin causes people to lose weight.He gives 10 subjects dextrin and 10 subjects a placebo.He measures their weight every day (since weight seems to fluctuate daily) until the experiment is discontinued (after 4 weeks) .In Dr.Len's study what are some disadvantages with using this particular design?

• A)significant amount of variance in subjects occurs
• B)carry-over effects
• C)a large subject pool is needed
• D)Both a & c
• E)All of these

---

Definitions:

P-Value Approach

A method in hypothesis testing that uses the p-value to decide whether to reject the null hypothesis, based on the strength of the observed data.

Television Stations

Facilities and organizations that transmit television programs to the public over the air or through cable and satellite.

P-Value Approach

The p-value approach involves determining the smallest level of significance at which the null hypothesis would be rejected, based on the observed data.

Management Position

A role within an organization responsible for overseeing operations, directing staff, and making strategic decisions.