Dr. Dow Jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. Of the six sections of Economics 101 at his university, Dr. Jones randomly assigns three sections to the traditional method and three sections to the problem-based method for Unit 1 of the course. Then all sections switch instructional method for Unit 2. He plans to compare the performance of the two groups of sections on their Unit 1 and Unit 2 exams. This study employs a design.

Lillypad toys is a manufacturer of educational toys for children. six months ago, the company's research and development division came up with an idea for a unique touchscreen device that can be used to introduce children to a number of foreign languages. three months ago, the company produced a working prototype, and last month the company successfully launched its new device on the commercial market. what should lillypad's managers prepare for next? a. increased competition from imitators b. a prolonged period of uncontested success c. a sharp decline in demand for the product d. a difficult struggle to move from invention to innovation

One cost-of-living indicator available on the internet shows that a salary of $40,000 in santa barbara, california, is equivalent to $14,000 in wichita, kansas. this is primarily because of housing, which is much less expensive in wichita. what does this difference say about how the federal government calculates poverty?

Which part in a cover letter do you write down skills and experience