Major Threats to Validity in a "Pretest & Posttest with One

question 4

Multiple Choice

Major threats to validity in a "pretest & posttest with one experimental group only" are:

• A)History,maturation,main testing,interactive testing,mortality.
• B)Statistical regression,maturation,main testing,interactive testing,mortality.
• C)Statistical regression,instrumentation,main testing,interactive testing,mortality.
• D)History,instrumentation,main testing,interactive testing,mortality.

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Definitions:

Statute

A written law passed by a legislative body at the national or local level.

Security Interest

A legal claim or lien on collateral that secures the performance of an obligation, giving the holder a right to the property if the obligation is not met.

Real Property

Land and anything permanently attached to it, such as buildings or trees.

Principal Debtor

The primary individual or entity legally obligated to repay a debt or loan.