After a Variety of Experiments on the Bystander Effect, the Evidence

question 35

Multiple Choice

After a variety of experiments on the bystander effect, the evidence suggests that:

• A) helping behaviour depends on the victim's needs.
• B) helping behaviour is strongest amongst anonymous strangers.
• C) helping behaviour is weakest when there several potential helpers.
• D) females appear more sympathetic than males.

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Definitions:

Hyperpolarize

A change in a cell's membrane potential that makes it more negative, moving it further away from initiating an action potential.

Hyperpolarization

An increase in a cell's membrane potential, making the interior of the cell more negative and less likely to fire an action potential.

Plasma Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, responsible for controlling the passage of substances in and out.

Gray Matter

A major component of the central nervous system consisting of neuron cell bodies, dendrites, and unmyelinated axons, associated with processing and cognition.