Four Brands of Baseball Bats Were Tested to Determine Which

question 57

Multiple Choice

Four brands of baseball bats were tested to determine which bat allowed hitters to hit a baseball farthest. Eight different batters were thrown 25 pitches while hitting with each of the four bats (assigned in random order) . The average distance of the five longest hits using each bat is shown in the table below. The goal is to determine if the average hit distance differs for the four brands of baseball bats. $$\begin{array} { c | c | c | c | c } \text { Batter } & \text { Brand 1 } & \text { Brand 2 } & \text { Brand 3 } & \text { Brand 4 } \\\hline 1 & 307 & 315 & 300 & 275 \\2 & 310 & 317 & 305 & 285 \\3 & 335 & 335 & 330 & 302 \\4 & 325 & 328 & 320 & 300 \\5 & 300 & 305 & 295 & 270 \\6 & 345 & 350 & 340 & 310 \\7 & 312 & 315 & 308 & 300 \\8 & 298 & 302 & 295 & 288\end{array}$$ How should the data be analyzed?

• A) Randomized block design with eight treatments and four blocks
• B) Randomized block design with four treatments and eight blocks
• C) Completely randomized design with four treatments
• D) 4 × 8 factorial design

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Definitions:

Systemic Treatment Selection

The process of choosing interventions based on an understanding of the relationships, patterns, and dynamics within an individual's surrounding system.

Theoretical Integration

Theoretical integration in psychotherapy refers to the practice of combining concepts from different theoretical frameworks to enhance the understanding and treatment of clients.

Evidence-based Practices

Treatment methods and interventions that are grounded in systematic research evidence demonstrating their effectiveness in achieving desired outcomes.

Phenomenological

This term relates to a philosophical and research approach that focuses on exploring and describing experiences exactly as they are perceived, without interpretation or assumption.