Final answer:
To fix order effects, researchers can use counterbalancing techniques to present stimuli in a different order to different participants.
Step-by-step explanation:
Order effects refer to the influence that the order of presenting information has on one's perception or decision-making. In order to fix order effects, researchers can employ counterbalancing techniques. This involves presenting different participants with the same set of stimuli, but in a different order. By doing so, any potential biases or effects caused by the order can be minimized or eliminated.
For example, in a study investigating the impact of advertising on consumer behavior, researchers may counterbalance the order in which participants are exposed to different advertisements to account for any potential order effects in their analysis.