Wikipedia's first sentence called it “israeli professor of psychology at ben-gurion university of the negev”. Today it says “israeli cognitive psychologist”. Sections present on October 6, 2023 no longer exist: “Books; Selected articles”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2025 one. Red dashes: removed from Wikipedia since.Pale dots: rewritten; the numbered note shows what it says now.Red text: written in or rewritten since the previous snapshot.1 tap a number or a side note to jump between them
The opening as it read in 2025
David Leiser David Leiser ( Hebrew : דויד לייזר ; born April 1, 1952) is an Israeli professor of psychology at Ben-Gurion University of the Negev , specializing in Economic psychology and Social psychology . Leiser has served as President of the Economic Psychology division of the International Association of Applied Psychology (IAAP) since 2014. He was president of the International Association for Research in Economic Psychology (IAREP) in 2011-2014.
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1272902622.
The opening as it stood in 2020
David Leiser David Leiser (( ) born April 1, 1952) is an Israeli professor of psychology at Ben-Gurion University of the Negev , specializing in Economic psychology and Social psychology . Leiser has served as President of the Economic Psychology division of the International Association of Applied Psychology (IAAP) since 2014. He was president of the International Association for Research in Economic Psychology (IAREP) in 2011-2014.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 933933458.
Today
Wikipedia's first sentence called it “israeli professor of psychology at ben-gurion university of the negev”. Today it says “israeli cognitive psychologist”. Sections present on October 6, 2023 no longer exist: “Books; Selected articles”. Read the current article and compare.
2020
Oct '23
2025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.
What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2020, and today's defining sentence is their current revision.
Then
israeli professor of psychology at ben-gurion university of the negev
Now
israeli cognitive psychologist
Sections that no longer exist
Present on October 6, 2023, absent today, with no near-matching heading in the current article and the article shorter overall, so this is not a renamed heading or a topic absorbed into a fuller treatment. 2 sections of 400 characters or more gone since October 6 2023, with the article 3,273 characters shorter.
Books
Selected articles
Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.
