In Experimental Research, When Experimental Design Procedures Unintentionally Hint to Subjects

question 1

Multiple Choice

In experimental research, when experimental design procedures unintentionally hint to subjects about the experimenter's hypothesis, it is known as:

• A) constancy of conditions.
• B) selection effect.
• C) demand characteristics.
• D) instrumentation effect.

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Definitions:

Status Indicators

Visual or auditory signals (such as LEDs or beeps) on devices or equipment that show their current operating condition, such as on/off, error, or operational status.

Output Module

A component in PLC systems that provides physical output based on the program logic, like activating motors or lights.

Optical Isolator

A device that uses light to transfer an electrical signal between elements of a system while keeping them electrically isolated.

Electrical Noise Interference

Unwanted disturbances superimposed on a useful signal that degrade the quality of signal transmission or processing.