DrNguyen Is Studying How the Quality of Breakfast Influences Academic

question 46

Multiple Choice

Dr.Nguyen is studying how the quality of breakfast influences academic performance for elementary school children.A sample of 100 children is selected.Fifty children are provided with a nutritious breakfast when they arrive at school each morning.The other 50 children are given a doughnut each morning.After three months,Dr.Nguyen records the academic achievement level for each child and compares the two groups of scores.In this example,how many levels are there for the independent variable?

• A)​1
• B)​2
• C)50
• D)​100

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Definitions:

Displacement

A term referring to things and events removed in time and space.

Linguistic Relativism

The concept that the structure and vocabulary of a language influence its speakers' perception and categorization of the world.

Contrasting Tones

Employing distinctly different pitches, colors, or attitudes in speech, writing, art, or music to highlight differences or create effects.

Whistling

Producing a high-pitched sound by forcing air through a small hole formed by the lips, teeth, or objects, often used as a form of communication or musical expression.