A Researcher Reports That the Time (In Minutes)it Takes Children

question 1

Multiple Choice

A researcher reports that the time (in minutes) it takes children who are "picky eaters" to finish their vegetables is negatively skewed,with children finishing their vegetables in 4.2 ± 1.0 (M ± SD) min.Based on Chebyshev's Theorem,we can conclude that

• A) 68% of children finished their vegetables in 3.2-5.2 min.
• B) 50% of children finished their vegetables in at least 3.2 min.
• C) 99.7% of children finished their vegetables in 2.2-6.2 min.
• D) At least 89% of children finished their vegetables in 1.2-7.2 min.

Comprehend the relevance and methods for achieving random and representative samples in research.

Distinguish between different experimental controls and their purposes (e.g., double-blind study).

Appreciate the importance of designing studies to minimize biases and expectations on the part of both experimenters and participants.

Understand the methodologies for studying attitudes and behaviors in populations (e.g., surveys).

---

Definitions:

Decrease in Price

A reduction in the amount of money required to purchase a good or service.

Price of X

Represents the amount of money required to purchase a specific quantity of product X.

Slope of Budget Line

The slope represents the rate at which a consumer can trade one good for another while staying within their budget.

Consumer Income

The total earnings of an individual or household that can be used for saving or spending on goods and services after taxes and other deductions.