The Internal Validity of an Experiment Is Lowered by Experimenter

question 341

Multiple Choice

The internal validity of an experiment is lowered by experimenter expectancy effects because

• A)the behaviour of the experimenter may have caused the participants to respond the way they did
• B)there is a confounding effect and you can't tell whether the independent variable or the dependent variable caused the results
• C)the results of the experiment may have been due to participants' expectations about the treatment they thought they were receiving
• D)the experimenter made a mistake in using a correlational design instead of an experimental design

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Definitions:

Influence Demand

The ability to affect consumer desire or need for products and services through marketing efforts, quality improvements, or price adjustments.

Supply Chain Costs

Supply Chain Costs encompass all expenses incurred in the creation and delivery of a product, from procurement of raw materials to transportation, handling, storage, and distribution.

Off-Peak Periods

Times when demand for a product or service is lower than usual, often leading to lower prices or rates as incentives.

Peak Periods

Peak periods are times of high demand or activity within a business or system, often requiring additional resources to meet customer needs or service levels.