Dr Mentor Is Conducting an Experiment Examining the Effects of Cell

question 489

Multiple Choice

Dr. Mentor is conducting an experiment examining the effects of cell phone conversations on reaction times while driving a car. Each participant, either conversing on a cell phone or not, maneuvers a driving course on a simulator. This simulated drive is videotaped. The research assistant hired to do the coding of the video tapes does not believe cell phone use should be banned while driving a motor vehicle and tends to err in the coding of the reaction times in a way that favours this belief. This experimenter expectancy effect could be controlled by

• A)the double-blind procedure
• B)counterbalancing
• C)the placebo effect
• D)improved external validity

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Definitions:

Straight-Line Method

A depreciation technique that allocates an equal amount of depreciation to each year of the asset's useful life.

Depreciation

The planned distribution of the costs associated with a tangible asset over its usage period.

Units-of-Activity Method

A depreciation method that allocates a fixed asset's cost based on its usage, activities, or units of production, reflecting wear and tear more accurately.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting the reduction of value due to wear and tear.