A Researcher Tests the Effect of a New Laparoscopic Treatment

question 3

Multiple Choice

A researcher tests the effect of a new laparoscopic treatment for chronic shoulder dislocation, comparing it with an older treatment. The results are statistically significant, and the researcher states in the study findings that there is evidence that the treatment has promise for widespread application. A subsequent replication study fails to show statistical significance. A third and fourth study produce the same effects as the second. Sample sizes are determined to be sufficient in all four studies. What is the most likely explanation here?

• A)A Type I error occurred in the first study.
• B)A Type II error occurred in the second, third, and fourth studies.
• C)External validity is excellent.
• D)Operationalization of variables was faulty.

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Definitions:

FAIS

Stands for Fully Automated Installations System, but if this is not accurate, there might be different interpretations or it could be a less known or colloquial term.

TPS

Transaction Processing System (TPS) refers to a type of information system that collects, stores, modifies, and retrieves the transactions of an organization.

TPS

Transaction Processing System, a type of information system that collects, stores, modifies, and retrieves the transactions of an organization.

ES

Enterprise Systems, large-scale software packages that support business processes, information flows, reporting, and data analytics in complex organizations.