The advantage of trend studies is that they

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All of these are advantages to trend studies. Trend studies allow researchers to track changes over time without the need to recruit new participants for each wave of data collection, therefore avoiding panel attrition and the expense of finding new participants. Additionally, because the same questions are asked in each wave, panel conditioning is avoided. Finally, trend studies typically collect data anonymously, further enhancing their advantages.

The Advantage of Trend Studies Is That They