Published on in Vol 9, No 11 (2021): November
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/26397, first published
.
![A Mobile Intervention for Self-Efficacious and Goal-Directed Smartphone Use in the General Population: Randomized Controlled Trial A Mobile Intervention for Self-Efficacious and Goal-Directed Smartphone Use in the General Population: Randomized Controlled Trial](https://asset.jmir.pub/assets/c62c9977cf211b92e3af79b09e252a9c.png 480w,https://asset.jmir.pub/assets/c62c9977cf211b92e3af79b09e252a9c.png 960w,https://asset.jmir.pub/assets/c62c9977cf211b92e3af79b09e252a9c.png 1920w,https://asset.jmir.pub/assets/c62c9977cf211b92e3af79b09e252a9c.png 2500w)
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