Questions Refer to the Following Computer Output in Which a Researcher

question 60

Multiple Choice

Questions refer to the following computer output in which a researcher measured anxiety in a sample before therapy and after therapy. Table 10-2
GROUP $1 =$ Before therapy
GROUP 2 = After therapy
Variable $=$ Anxiety scores


$\begin{array}{lllll}\text { GROUP } & N & \text { Mean } & S D & \text { Standard Error } \\\text { GROUP 1 } & 10 & 11.00 & 3.197 & 1.011 \\\text { GROUP 2 } & 10 & 8.90 & 3.573 & 1.130\end{array}$

$\text { Mean difference }=2.100 \quad\quad\quad S D=1.287 \quad\quad\quad \text { Std Error }=0.417$

$\begin{array}{lll}\text { Corr }=0.934 & p=0.000 & \\t=5.161 & d f=9 & p=0.001\end{array}$
-Consult Table 10-2. The statistical analysis is a(n) __________ samples t test.

• A) independent
• B) correlated
• C) between-subjects
• D) homogenous

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Definitions:

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A carbonated soft drink brand known for its distinctive flavor, originally intended as a patent medicine.

Tacit Collusion

Cooperation among producers, without a formal agreement, to limit production and raise prices so as to raise one another’s profits.

Competing Producers

Entities or companies that are in the same market striving to gain market share by offering better products, price, or services.

Perfect Competition

A market structure characterized by a large number of small firms, identical products, and freedom of entry and exit, leading to price takers.