Question

Underline the independent variable, Circled the dependent variable, And list three constant/control variables. Then right and hypothesis/prediction.

1. How does the distance from an eye chart affect the number of letters that are recognized
on a line?
Constant/Control Variables:
Hypothesis/Prediction:

Answer 1

Independent variable: distance from the chart

Dependent variable: the number of letters recognized

Constant/control variables: the lighting, having the same chart, the position of viewing

Hypothesis: If a person is standing farther away, they will recognize less letters on the eye chart than someone standing closer.