Which Design Uses No Control Group and No Random Selection

question 27

Multiple Choice

Which design uses no control group and no random selection?

• A) true experimental
• B) quasi-experimental
• C) pre-experimental
• D) causal-comparative

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Definitions:

Excitatory Signal

A type of neurotransmitter-induced signal in the nervous system that increases the likelihood of a neuron firing an action potential.

Action Potential

A sudden increase and subsequent decrease in the voltage across a cell membrane resulting from the movement of charged particles.

Neural Communication

The process by which neurons transmit signals to each other through synapses, using both electrical and chemical means.

Integration Phase

Describes a period or process where diverse elements are combined or coordinated into a unified whole, often used in the context of project management or software development.