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Lyle Conducted a Study to Determine If a New Class

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Lyle conducted a study to determine if a new class program could increase the test performance of students with high functioning autism.His experiment specifically included those students who already had high test scores.He should be concerned about which potential form of internal invalidity in his experiment?


Definitions:

HTML

Hypertext Markup Language, the standard markup language for documents designed to be displayed in a web browser.

RFID

A method known as Radio-Frequency Identification employs electromagnetic fields to identify and monitor tags connected to items automatically.

Network Protocol

A set of rules and conventions for data communication that defines how data is transmitted and received across a network.

HTML

Hypertext Markup Language is the official markup language used for creating documents intended to be viewed in a web browser.

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