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🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
1.3K
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🧰 Free analysis for Gjalt-Jorn Peters
Known for
📊 Post engagement
3
Avg engagement / post
0.2%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: Photo post · 5 likes + reposts
📊 Activity & format
Posting cadence
0.92 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 5 text · 7 image · 0 video.
Follower / following
0.9×
Follows 1.5K back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
Photo post
RE: https://infosec.exchange/@tomgag/116973845481617445
Very good points, as well as an alternative solution to the same problems, regarding @Codeberg's recent changes to the Terms of Service to try and minimize the damage done to the FLOS…
Photo post
Awesome opening keynote at Day 2 of the Open Science Festival Limburg #osflimburg
... And we're live! 🤩
Just arrived at day 2 of the #osflimburg!
This will be so exciting!!! 🤩
@ossington
Photo post
Photo post
RE: https://social.edu.nl/@wlaatje/116600084987177849
And it's an awesome session! 🙏🤩
RE: https://mastodon.social/@egonw/116451947212132817
In addition to the Dutch Open Science Festival in autumn (organized by @bjorn et al from OSC Delft), there will be also an awesome late spring edition in Limburg!
Register while we stil…
RE: https://mastodon.ar.al/@aral/116452885108334934
Or, of course, come to @Codeberg 🤩
Photo post
Awesome opening keynote at Day 2 of the Open Science Festival Limburg #osflimburg
... And we're live! 🤩
Just arrived at day 2 of the #osflimburg!
This will be so exciting!!! 🤩
@ossington
Photo post
Photo post
RE: https://social.edu.nl/@wlaatje/116600084987177849
And it's an awesome session! 🙏🤩
RE: https://mastodon.social/@egonw/116451947212132817
In addition to the Dutch Open Science Festival in autumn (organized by @bjorn et al from OSC Delft), there will be also an awesome late spring edition in Limburg!
Register while we stil…
RE: https://mastodon.ar.al/@aral/116452885108334934
Or, of course, come to @Codeberg 🤩
🐘 Community & instance
Home server
mastodon.nl
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 3 views per post.
📤Posts about 0.9× per week.
🕵️ Fake follower check
Estimated52/100
Fair
Credibility score
76%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 76% real, active audience · Medium fake-follower risk.
- Low engagement (~0.2% of followers engage each post) — a sign of an inflated or inactive audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Striving for validity, not validation 📏🧠
Associate professor of Theory, Methods & Statistics, Psychology, Open University of the Netherlands.
Started out in behavior change research & intervention development and shifted towards methodology, measurement and validity.
🧠#BehaviorChange & #Psychology
🔬#OpenScience
📈 #Methodology & #Statistics
🎙️ #QualitativeMethods
💻 #rstats, #r, @
🗺 #InterventionMapping
🌃🎶 #Nightlife risk behavior
🍻💊 #Substance use
and
4🐈
they/him
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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