The correct answer is The Foreign Intelligence Surveillance Act
The Foreign Intelligence Surveillance Act is a federal law that provides for different procedures for physical and electronic surveillance and the collection of intelligence information between major foreign powers, thus guaranteeing a mode of international security in relation to other world nations, preventing the United States from entering into complicated situations.
The memory strategy that has been used above is the initial-letter strategy. It is where an individual memorizes a word or a sentence in a way of taking the first or initial letter of the words in order to memorize the word or per word in a sentence. It could be described with the scenario given above where a student uses a term of which are the initials of the words, so that he or she could remember the colors of the spectrum.
The threat to validity that is likely to occur in the scenario above is Selection Bias.
<h3>What is Selection Bias?</h3>
This occurs when a researcher has control and intentionally chooses those who are going to be researched, observed, or studied. To eliminate this bias, the scientist must ensure that the sample population is selected very randomly.
Other threats to validity are:
- History
- Maturation
- Attrition
- Social Interaction
- Instrumentation
- Testing
- Regression to the mean, etc.
Please see the link below for more about Threat to Validity:
brainly.com/question/4168290
Permits researchers to access valuable information for little or no cost