A High School Teacher Conducted a Test of a New

question 39

Multiple Choice

A high school teacher conducted a test of a new approach to teaching math.Students were given a pretest when their math class began and a posttest at the end of the semester.The students' math performance increased.The teacher learned near the end of the semester,however,that in their science classes the students were using new computer software that included much of the math the teacher covered in his course.Which of the following threats to internal validity does the new computer software represent?

• A)selection
• B)regression
• C)testing
• D)history

Recognize the elements contributing to family closeness and its impact on adolescent development.

Identify common sources of conflict between parents and adolescents and understand their implications.

Explain the concept of familism and its influence on family dynamics.

Analyze the role of peer pressure and peer influence on adolescent behavior.

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Definitions:

Product Life-cycle

A concept in marketing that describes the stages a new product goes through from introduction to growth, maturity, and decline.

Finished Goods

Products that have completed the manufacturing process but have not yet been sold or distributed to the end user.

Specialty Product

Item that a purchaser is willing to make a special effort to obtain.