The Following Data Are from an Independent-Measures Experiment Comparing Two

question 6

Essay

The following data are from an independent-measures experiment comparing two treatment conditio
$$\begin{array} { c c } \text { Treatment 1 } & \text { Treatment 2 } \\\hline 6 & 19 \\13 & 9 \\8 & 18 \\4 & 10 \\13 & 12 \\4 & 14 \\11 & 19 \\5 & 11\end{array}$$
a.Do these data indicate a significant difference between the treatments at the .05 level of significance?
b.Compute r² to measure the size of the treatment effect.
c.Write a sentence demonstrating how the outcome of the hypothesis test and the measure of effect size would appear in a research report.

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Definitions:

Effects

Visual or audio elements added to enhance or transform the appearance or sound in digital media.

Contrast

The difference in visual properties that makes an object distinguishable from other objects and the background.

Lightest Areas

In imaging or photography, refers to the parts of an image that have the highest luminance or least amount of shadow.

Color Intensity

The strength, depth, or vividness of a color in an image or on a display screen.