Sam conducted a study on whether the length of the line at a local starbucks affected how well the customers enjoyed their coffee after receiving it. malcolm conducted the study at his local starbucks, and found the same results. sam's study had a high level of

Sam's study had a high level of reliability.

Explanation:

Reliability indicates if a study implicating research or a test for measuring something is consistent enough. If you use an instrument to measure an element many times and gives you the same result, it means the procedure is reliable. The same applies to the results of different researches.

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