The Following Does Not Represent a Threat to Internal Validity

question 17

Multiple Choice

The following does not represent a threat to internal validity of randomized controlled experiments:

• A)attrition.
• B)failure to follow the treatment protocol.
• C)experimental effects.
• D)a large sample size.

---

Definitions:

Variable Rate

An interest rate that can fluctuate over the duration of a loan or savings account, based on the market or an index.

Preceding August

Indicates a time period or events that occurred before the month of August.

Payment Stream

A series of payments made or received over time, usually as part of a financial agreement such as a mortgage or annuity.

Economically Equivalent

Having the same financial value when considering various factors like time, risk, and opportunity cost.