Drews Et Al

question 50

Multiple Choice

Drews et al.2008) manipulated driving conditions i.e., driving while talking to a friend on the cell phone and driving while talking to a friend in the car) to see if this influenced the number of driving errors committed.Participants completed the task on a driving simulator.In this design, the number of driving errors committed served as the __________.

• A)measure of ecological validity.
• B)dependent variable.
• C)independent variable.
• D)measure of reliability.

Understand the mechanisms of homogeneity and differentiation within the education system.

Recognize the historical transformations and milestones in the development of education systems.

Identify the role of education in social sorting and class perpetuation.

Comprehend the influence of language and culture on the education system.

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Definitions:

Market Share

The portion of a market controlled by a particular company or product.

Oligopolistic Models

Economic models that describe markets in which a few firms dominate, often leading to pricing and output decisions that consider the actions of competitors.

Cartel

An agreement among competing firms to control prices or exclude entry of a new competitor in a market, often in order to maximize the members' profits at the expense of consumers.

Herfindahl-Hirschman Index

A measure used to assess the market concentration and competition level within an industry, calculated by squaring the market share of each firm competing in the market and then summing the resulting numbers.