Thursday, October 15, 2026

Sure, No Causal Evidence of Screen Harms to Students, But There Is Enough Data to Pause Full-Speed Ahead Adoption of Technologies

Are screen bans and screen limits warranted? Well…

Sure, there is no causal proof that screens are absolutely "causing" a decline in reading achievement, math achievement and psychological harms.

We as educators have to be careful because cigarette companies used the same defense of lack of causal evidence for years, at least until enough evidence was amassed to show that there was a causal relationship. A lot of harm happened in the interim. We work with kids, and if there is any evidence, even if it is flawed, we need to take notice. There’s is enough rationale to question and move deliberately.

With screens, there are some correlations or associations between screens and harms. Does that mean an outright ban of screens in schools?" I would not call for that. It would make me question and walk more slowly though.

However, I would pause the full-steam-ahead approach to Ed Tech that quickly drives adoption of the latest inventions that come forth from Silicon Valley and tech companies. This massive rush to integrate AI for example, is wrong-headed. It needs a more deliberate and slower approach to adoption because there are quite a few unknowns, including consequences of use over time to cognitive function.

The problem with so much about Ed Tech adoption in schools is the rhetoric of urgency used by Ed Tech boosters. They tell educators that if they don't adopt immediately they and their students will be left behind. They use this urgency pitch like a sledgehammer to force these tools into classrooms, usually for their own benefit.

This urgency needs to be ignored by educators. Rarely is taking time to explore the adoption of a new tool in the classroom a problem. Sales pitches about the end of education and technological revolutions are more about product and self-promotion than reality. This urgency is entirely manufactured and hype.

Should school districts ban screens entirely? Here’s some things schools could do.

-They should ban technologies that are not safe for students to use. No question there. Make the companies pushing the products make their products safe for students to use. Don’t adopt until they do so.

-They should allow exploration and experimentation with controls and data collection. Avoid the run-away-train of widespread adoption and take time to study it.

-They should ban wholesale  adoption of new technologies, and instead focus efforts on experimenting and collecting data first. Take the time necessary.

The great sin of school technologists and Ed Tech advocates is they race from the invention of a technology immediately to its adoption, sometimes just because the seers of Silicon Valley start prognosticating and fostering a false sense of urgency. 

Screen bans, while I can certainly understand the fears and rationale, I am not convinced myself that is necessary. However, I am convinced that we can curtail Ed Tech products that are not safe. Educators, and there are a lot of us, can demand that Silicon Valley and tech companies make their products safer before we wholesale adopt them. 

Screen limits are another story. I am convinced that we have put technology on a pedestal in education. It is literally the always-go-to solution for all problems. 

We need to leap out of the technology-is-always-the-solution box that Silicon Valley and Ed Tech boosters have put us in and widen our horizons and look for solutions beyond the horizons of screens.

Those solutions are there. There is not always an app for those. 

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