Dr DeJong Randomly Selects 100 Individuals to Participate in an Experiment

question 63

Multiple Choice

Dr. DeJong randomly selects 100 individuals to participate in an experiment. She then randomly assigns the participants to several different conditions. With reference to the potential threats to validity described in your text, what are the goals of random selection and random assignment, respectively

• A)Both random selection and random assignment protect the external validity of the research.
• B)Random selection protects the external validity of the research.Random assignment protects its internal validity.
• C)Random selection protects the external validity of the research.Random assignment protects its construct validity.
• D)Random selection protects the construct validity of the research.Random assignment protects its internal validity.

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Definitions:

Diversification Analysis

The process of assessing the potential benefits and risks of adding new varieties of products, services, or market segments to a business's portfolio to reduce risks.

Product Development

is the complete process of bringing a new product or service to market, from idea generation and design to prototype testing and eventual launch.

Market Development

The strategy of entering new markets or segments to expand the customer base for existing products or services.

Diversification

A strategy of expanding into new markets, products, or services to reduce risk and increase opportunities for growth.