Using a Measurement Scale Believed to Produce Interval Level Measurement

question 5

Multiple Choice

Using a measurement scale believed to produce interval level measurement, an instructor wishes to learn if the variable "attitude toward statistics" will show improvement over the course of a semester in her class. She administers the scale the first and last days of the class and compares the pairs of scores for every student. What test should she use to learn if there is statistical support for her hypothesis that students will show improved attitudes following her course?

• A) one sample t
• B) two sample independent t
• C) two sample dependent t
• D) simple ANOVA

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Definitions:

Environmental Changes

Alterations in the surrounding conditions, including natural, social, economic, and political environments, that can impact individuals and organizations.

Product Life Cycle

The series of stages a product goes through from introduction to growth, maturity, and decline, affecting marketing, sales strategies, and profitability.

Price Competition

A market condition where businesses focus on undercutting competitors' prices to attract customers.

Profit Declines

A decrease in the difference between revenues earned and expenses incurred over a given period.