Which One of the Following Allowed Steam Engines to Be

question 54

Multiple Choice

Which one of the following allowed steam engines to be located away from rivers?

• A) They were small and hence portable.
• B) Water could be brought to them by irrigation channels.
• C) They ran on coal.
• D) They ran on oil.
• E) a and b

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Definitions:

Differential Regression

A statistical phenomenon where groups with extreme scores on a pretest will likely have less extreme scores on a posttest, not due to the intervention but to statistical artifacts.

Internal Validity

refers to the degree to which a study accurately establishes cause-and-effect relationships free from confounding variables.

Attrition

Attrition refers to the reduction in the number of participants or subjects over the course of a study, which can affect the study's outcomes and generalizability.

Instrumentation

pertains to the process and tools used for measurement and data collection in research studies.