Solved

Many Americans Complain About Being Sleep Deprived

question 16

Multiple Choice

Many Americans complain about being sleep deprived. A team of psychologists researched the reasons for this sleep deprivation. After determining that one reason was poor time management, they devised a program to help people manage their time better. They recruited a random sample of 30 people at a major shopping center and randomly split them into three groups of size 10. Group 1 (the controls) received a logbook asking them to record the number of hours slept for a week, but nothing else. Group 2 (the informed group) was shown a video to help improve time management. Group 3 (the intervention) participated in a two-day training course on improving time management. Groups 2 and 3 were also asked to keep records for one week on the number of hours slept. The psychologists were interested in learning if providing information or an intervention affects sleep time. The analysis of this type of study is called:

Definitions:

Net Present Value (NPV)

The gap between the current value of cash entering and the current value of cash exiting over a timeframe, employed in investment planning to evaluate the profitability of projects.

Capital Cost Allowance (CCA)

Depreciation for tax purposes, not necessarily the same as depreciation under International Financial Reporting Standards; depreciation method under Canadian tax law allowing for the accelerated write-off of property under various classifications.

After-Tax Operating Income

The income a company generates from its operations after subtracting taxes.

Required Return

The minimum expected return by investors for investing in a particular security or project, reflecting the risk level.