Kwashik Appears in Children Between the Ages of 2 and 5

question 26

Multiple Choice

Kwashik appears in children between the ages of 2 and 5 years. The reason is that

• A) growth needs are low.
• B) children have been weaned from breast milk to starchy gruels.
• C) by this time, adequate exposure to other children allows them to catch it.
• D) protein intake has been high for a long enough time to cause kidney damage.

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Definitions:

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to investigate its effect on the dependent variable.

Dependent Variable

In an experimental study, the variable that is being tested and measured, often considered the effect in a cause-effect relationship.

Control Variable

A control variable is an element that is kept constant throughout an experiment to ensure that the effect on the outcome can be attributed to the variable being tested.

Hypothetical Variable

A variable that is not directly observable, proposed to explain relationships and effects in scientific models.