<span>Rubbermaid's record of new product innovation is remarkable. With almost 5, 000 products, the firm continues to crank out a new one almost everyday - and with great success. It looks like traditional wisdom teaches us that a company may win market share by offering a wide variety of products.</span>
The answer is false. I just had this question and missed it.
Answer:
The dependent variable is their degree of sleepiness.
Explanation:
In a correlational study, an independent variable is expected to affect a dependent variable. In the example, the level of caffeine intake is predicted to change the participants' sleep patterns. In other words, the degree of sleepiness <u>depends</u> on the caffeine levels.
An easy way to remember the difference is to say: Independent causes change in dependent.