You're Conducting a Study to Determine Whether Children Can Learn

question 78

Multiple Choice

You're conducting a study to determine whether children can learn to use a new type of educational software on a touch-screen tablet computer. You try the software in a group of 10-year olds and a group of 8-year olds, and are surprised to find that the younger children perform better with the new software. You then find out that the younger group had been exposed to touch-screen tablets in the first grade, but the technology wasn't available when the older group had been in first grade. Which of the following effects has had an impact on your research results?

• A)cohort effect
• B)placebo effect
• C)cross-sectional effect
• D)artifact effect

Calculate the optimal workforce levels based on seasonal demand.

Evaluate the effectiveness of promotional strategies in different demand periods.

Identify the impact of promotions on inventory levels.

Understand the concept of forward buying and its impact on supply chain management.

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Definitions:

Gibberellin

Plant hormone promoting increased stem growth; also involved in flowering and seed germination.

Phytochrome

Photoreversible plant pigment that is involved in photoperiodism and other responses of plants, such as etiolation.

Cytokinins

Plant hormones that promote cell division and growth, delay the aging of leaves, and in conjunction with other hormones, regulate plant development.

Auxin

Plant hormone regulating growth, particularly cell elongation; also called indoleacetic acid (IAA).