Construct Frequency Polygons
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question 31

Short Answer

Construct Frequency Polygons
- $$\begin{array} { c | c } \text { Weight (in pounds) } & \text { Frequency } \\\hline 135 - 139 & 6 \\140 - 144 & 4 \\145 - 149 & 11 \\150 - 154 & 15 \\155 - 159 & 8\end{array}$$

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Definitions:

Maturation Effects

Changes in participants over time that are not due to the experimental manipulation but rather to natural development or aging.

One-group Pretest-posttest Design

A research design in which a single group is measured or tested before and after an intervention to assess change.

Participants Change

The phenomenon where individuals in a study alter their behavior or responses due to awareness of being observed or other study factors.

Time

A continuous sequence of events, perceived by its passage and measurable in hours, minutes, and seconds.