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What is a primary concern with field experiments?

  1. Standardisation issues

  2. High control over extraneous variables

  3. Strong reliability

  4. Clear causation

The correct answer is: Standardisation issues

The primary concern with field experiments is indeed standardisation issues. In a field experiment, researchers conduct their study in a natural setting rather than a controlled environment like a laboratory. This can lead to variations in how the experiment is administered, such as differences in the context, timing, or the behavior of participants. These variations make it challenging to ensure that all participants experience the same conditions, which can ultimately affect the validity of the results. In contrast, conducting experiments in a lab typically allows for tighter control over extraneous variables, leading to more replicable and consistent findings. While field experiments are beneficial for understanding behavior in natural contexts, they often sacrifice the control that lab settings provide, making standardisation a significant concern in interpreting the findings.