Planning a longitudinal study? Here’s four questions you should ask:

🔹 How should time be scaled?

🔹 How many assessments are needed?

🔹 How frequently should assessments occur?

🔹 When should assessments happen?

Hopwood et al. (2022). “Connecting theory to methods in longitudinal research”:
https://doi.org/10.1177/17456916211008407

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