For the Following Data from a Repeated-Measures Study:
A

question 13

Short Answer

For the following data from a repeated-measures study:
a.Find the difference scores
b.Calculate MD and the variance for the difference scores
c.Calculate the estimated standard error for the mean difference
$$\begin{array}{l}\text { Subject Treatment } 1 \text { Treatment } 2\\\begin{array} { r r r } \text { A } & 12 & 14 \\\text { B } & 6 & 16 \\\text { C } & 8 & 10 \\\text { D } & 9 & 11\end{array}\end{array}$$

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Definitions:

Phenotype

The set of observable characteristics of an organism resulting from the interaction of its genotype with the environment.

Double Helix

The structure formed by double-stranded molecules of nucleic acids such as DNA, characterized by two helical chains coiled around the same axis.

Estrogen

A group of steroid hormones which promote the development and maintenance of female characteristics of the body.

Polygenically Determined

Influenced by several genes, indicating that the trait or characteristic results from the complex interaction of multiple genetic factors.