Evidence

What research actually verifies about influencer marketing

We built imktr on peer-reviewed findings rather than industry folklore. These five conclusions shaped our product decisions, and every source is cited below.

Read the full breakdown

Five findings that change decisions

Bigger is better — conditionally

More followers raises likeability. But for divergent, distinctive products, a high-follower influencer lowered the brand's perceived uniqueness and hurt brand attitude. Likeability also dropped when the influencer followed very few accounts themselves.

De Veirman, Cauberghe & Hudders (2017), International Journal of Advertising

Hiding the sponsorship does not help

Sponsor salience — how clearly the paying brand appears in the post — increased effectiveness. The instinct to make it 'not look like an ad' is not supported. Note that #ad disclosure is a separate legal requirement, not the same construct.

Leung, Gu, Li, Zhang & Palmatier (2022), Journal of Marketing

Moderate beats maximum on three metrics

Influencer activity, follower-brand fit and post positivity all followed an inverted U-shape — the middle performs best. Posts announcing new product launches also reduced effectiveness.

Leung, Gu, Li, Zhang & Palmatier (2022), Journal of Marketing

Expertise works differently by objective

High expertise was more effective for awareness goals; the pattern differed for driving trial. The same expertise failed to drive engagement once the post moved to another platform.

Hughes, Swaminathan & Brooks (2019), Journal of Marketing

Influencers beat brand ads, and match celebrities

A meta-analysis of 39 experiments (13,766 participants) found influencers outperformed brand-owned advertising, with no significant difference versus celebrity endorsers. Factor in cost and the allocation math changes.

Lee, Walter, Hayes & Golan (2024), Social Media + Society

How imktr operationalizes this

The conclusions are not just written down — they are built into the workflow.

Engagement and category shown next to follower count

Screening surfaces engagement rate and category fit so nobody picks on follower count alone.

Briefs capture selling points as keywords, not scripts

Tone, voice and edit style stay with the creator, avoiding the over-control that makes content read as an ad.

Ad disclosure verified at the upload stage

The server checks for #ad / #sponsored labels and routes posts back for correction when missing.

Content reuse and revision limits written into the contract

Scope is documented at contract stage rather than left to verbal agreement.

References

All citations are published, peer-reviewed studies. Summaries stay within what each paper actually reports.

1De Veirman, M., Cauberghe, V., & Hudders, L. (2017). Marketing through Instagram influencers: the impact of number of followers and product divergence on brand attitude. International Journal of Advertising, 36(5), 798–828.
2Hughes, C., Swaminathan, V., & Brooks, G. (2019). Driving Brand Engagement Through Online Social Influencers: An Empirical Investigation of Sponsored Blogging Campaigns. Journal of Marketing, 83(5), 78–96.
3Leung, F. F., Gu, F. F., Li, Y., Zhang, J. Z., & Palmatier, R. W. (2022). Influencer Marketing Effectiveness. Journal of Marketing, 86(6), 93–115.
4Pan, M., Blut, M., Ghiassaleh, A., & Lee, Z. W. Y. (2025). Influencer marketing effectiveness: A meta-analytic review. Journal of the Academy of Marketing Science, 53, 52–78.
5Lee, J., Walter, N., Hayes, J. L., & Golan, G. J. (2024). Do Influencers Influence? A Meta-Analytic Comparison of Celebrities and Social Media Influencers Effects. Social Media + Society.

Run campaigns on verified criteria

Planning, outreach, contracts, guidelines and settlement in one flow.

Get started See pricing