Students report feeling less safe and more likely to perceive violence and disorder in schools with metal detectors¶

Claim · All claims
Evidence · 1 study (2 entries) · associational r? · q2
Currency · newest study 2019 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? Multiple researchers found students report feeling less safe in schools with metal detectors compared to schools without them. → Schildkraut 2019 q2 i? Students are more likely to perceive violence and disorder at their schools when metal detectors are used. → Schildkraut 2019 (2)

Evidence¶

Schildkraut 2019¶

Schildkraut, J., & Grogan, K. (2019). Are metal detectors effective at making schools safer? San Francisco, CA: WestEd. https://www.wested.org/resources/are-metal-detectors-effective-at-making-schools-safer

q2 · i? · review · r2

The brief's synthesis of prior studies (Cornell 2015; Gastic 2011; Perumean-Chaney & Sutton 2013) reports that students "report feeling less safe in schools where metal detectors are present."

"a number of researchers have found that students report feeling less safe in schools where metal detectors are present, compared to students in schools without such devices"

Schildkraut 2019 (2)¶

Schildkraut, J., & Grogan, K. (2019). Are metal detectors effective at making schools safer? San Francisco, CA: WestEd. https://www.wested.org/resources/are-metal-detectors-effective-at-making-schools-safer

q2 · i? · associational · r?

The brief reports, citing Mayer and Leone (1999), that "students are more likely to perceive violence and disorder" when metal detectors are used, an unintended negative consequence for the learning environment.

"Similarly, students are more likely to perceive violence and disorder at their schools when such devices are used"

Discussion¶

Learner Variables¶

• Safety — outcome: instruction changes it

Related Claims¶

• Metal detectors impose substantial equipment, personnel, training and time costs on schools — related
• Metal detector use disproportionately affects students of color, who are more likely to pass through detectors daily — related
• Available data suggest schools with metal detectors identify more weapons through searches without scanning devices than through scanning — related
• Two mass shootings exemplify how metal detectors can be insufficient at stopping such attacks — related
• Metal detector effectiveness depends heavily on the human element: training, correct operation and functioning equipment — related
• Metal detector use in US schools has held steady or slightly decreased since the 1990s despite renewed calls after the Parkland shooting — related
• Common physical and exclusionary safety measures can cause harm to the very students schools are trying to protect — a broader claim this one bears on
• Hardening strategies such as police in schools and metal detectors intervene too late in the pathway to violence to prevent attacks — related
• Security cameras show no evidence of improving school safety, and evidence does not support expanding metal detector use — related
• Students in schools with SBLE tended to feel safer, but this finding rests on very little data — related