How Is Statistical Power Affected by the Formation of Control

question 3

Multiple Choice

How is statistical power affected by the formation of control groups?

• A)It is reduced by dividing a limited number of participants equally into a training group and a control group
• B)It is increased by dividing a limited number of participants equally into a training group and a control group
• C)It is reduced by not using a control group and putting the same limited number of participants into the training group
• D)It is not affected by the formation of control groups

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Definitions:

Atomic Number

The atomic number of an element is the number of protons in the nucleus of an atom, defining the element and determining its position in the periodic table.

First Energy Level

The initial level of energy that an electron in an atom can have, closest to the nucleus.

Electrons

Negatively charged particles that circle around an atom's nucleus.

Ion

Atom or molecule that carries a net charge.