D I am guessing is the most correct.
Answer:
Environment
Explanation:
In a research study, internal validity refers to how well an experiment was carried out and to what extent the piece of evidence supports a claim.
The lesser the chance of confounding in a study the higher the internal validity.
Study of memory is possible through learning the electrical activity created by neurons.
Therefore, thunderstorm will affect the readings hence it is an Environmental threat to the internal validity.
Are you just... looking for how you'd answer this in an interview?
Answer: H: I think that saying that theres no threatening allowing is very good. If it gets physically no good can come of it. People need to understand that you must be calm and politely speak to one another. Yelling or calling each other names is not good and fighting is not the solution either.
Explanation:
