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For the Purpose of Building a Playhouse for His Sons

question 40

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For the purpose of building a playhouse for his sons, Andy went to Lumberlore Ltd. and bought, with his credit card and without talking to a salesperson, the following things: a drill, lumber, and a six-foot step ladder. While working on the project, Andy noted that the drill worked but it was not powerful enough to drill into the 4×4-inch posts the playhouse needed for support. When he went toward the house to get his car keys, he found his wife unconscious. She had used the ladder to take some leaves out of the gutters, and it had buckled under her weight because of its faulty design. Which of the following is true?


Definitions:

Random Assignment

A method used in experiments to place participants into groups in a way that each participant has an equal chance of being assigned to any group, ensuring unbiased distribution.

Naturalistic Observation

A research method where subjects are observed in their natural environment without any manipulation by the observer.

Case Study

An in-depth investigation or analysis of an individual, group, or event to explore causation in order to find underlying principles.

Experiment

A scientific procedure conducted to test a hypothesis, determine cause-and-effect relationships, or discover new information through controlled variables and observations.

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