All 766 sources the assistant draws on, across 20 taxonomy topics; last updated 28 September 2026.
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766 sources by where they were published
A: Peer-reviewed article in a top journal (e.g. Journal of Marketing, Science).
B: Other peer-reviewed journal.
C: Book or conference paper (a different kind of peer review).
D: Preprint, working paper or report. Not peer-reviewed.
how well the finding has been verified by independent research
law-like pattern: The same pattern repeats across dozens of independent datasets, categories and countries.
independently confirmed: Other teams have found the same result using different data, so far only in a few markets or categories.
depends on conditions: The effect is real, but its direction or size depends on a specific condition.
limited verification: One study or one dataset so far. No one else has independently repeated it.
113 sources
91 sources
38 sources
19 sources
53 sources
17 sources
77 sources
26 sources
26 sources
55 sources
56 sources
67 sources
107 sources
77 sources
24 sources
32 sources
48 sources
78 sources
54 sources
9 sources
14Social media, influencers and online recommendations
21 sources