B
Evidence Grade B
Graded
under review
Safe to Cite
Current
7%
7% -- relationship complaint rate for Undergraduate iPhone users surveyed by Stanford anthropologist Tanya Luhrmann (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
7%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
200
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Stanford University (Tanya Luhrmann survey)
Primary
Tier C
https://atelier.bnpparibas/en/smart-city/news/study-iphone-extension-brain-being-addictive ↗
Source Article
Study: iPhone, Extension of One's "Brain and Being," is Addictive
Original Research
Stanford University (Tanya Luhrmann survey)
· Original study ↗
Methodology
Survey of 200 undergraduates; respondents said a roommate or partner said they felt abandoned because of the respondent's iPhone usage; reported via San Jose Mercury News
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Undergraduate iPhone users surveyed by Stanford anthropologist Tanya Luhrmann: 7% relationship complaint rate. Source: Stanford University (Tanya Luhrmann survey) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/iphone-use-partner-felt-abandoned-share
HTML Embed
<blockquote cite="https://lighthousedata.io/data/iphone-use-partner-felt-abandoned-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>7%</strong> -- relationship complaint rate for Undergraduate iPhone users surveyed by Stanford anthropologist Tanya Luhrmann<br><small>Source: Stanford University (Tanya Luhrmann survey) (2026) · <a href="https://lighthousedata.io/data/iphone-use-partner-felt-abandoned-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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