_____ Are Cues Within an Experiment That May Influence Participants

question 18

Multiple Choice

_____ are cues within an experiment that may influence participants to respond in a particular way apart from the independent variable.

• A) Experimenter attributes
• B) Demand characteristics
• C) Experimenter expectancies
• D) Participant characteristics

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Definitions:

Shade Avoidance

The tendency of plants that are adapted to high light intensities to grow taller when they are closely surrounded by other plants.

Phytochrome

A photoreceptor in plants that detects light to regulate various processes, such as germination, flowering, and shade avoidance.

Circadian Rhythm

An internal rhythm that approximates the 24-hour day. See biological clocks.

Cryptochrome

A proteinaceous pigment that strongly absorbs blue light; implicated in resetting the biological clock in plants, fruit flies, and mice.