A Researcher Designs an Experiment by Manipulating the Following Variables

question 34

Multiple Choice

A researcher designs an experiment by manipulating the following variables: method of presenting material (visual, auditory) ; difficulty level (easy, difficult) ; and amount of material (low, moderate, high) . For a completely independent groups design with 10 participants per group, how many participants would the researcher need?

• A)80
• B)120
• C)70
• D)60

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Definitions:

LABEL Instruction

A programming command used to identify a section of code or a data structure with a name for easier reference.

Program Scan

The process by which a control system or PLC cyclically reads its inputs, executes its logic, and updates its outputs, typically in a continuous loop.

Immediate Input

Immediate input in automation and computing refers to input data that is processed or utilized instantly without delay.

Output Instructions

Commands within a programming language or PLC code that direct the system to perform specific actions or control external devices based on processed data or logic conditions.