Acquisition and retention · One field study and two laboratory studies
Reward Design for Customer Referral Programs: Reward–Product Congruence Effect and Gender Difference
Hu, H., & Zhang, X.-M. (2021). Frontiers in Psychology, 12, 644412.
Plain-English take
Across the reported studies, utilitarian rewards generated higher referral likelihood for utilitarian products, whereas hedonic rewards performed better for hedonic products. For your marketing: When offering referral incentives, test whether the reward feels aligned with the product and the referrer's motive.
How much weight to give this
3.0/5 Limited or context-dependent evidence
The 1–5 evidence-check score is a practical reading aid, not a formal peer review or a probability that a conclusion is true. It combines design strength (2 points), sample reporting (1), comparison/control clarity (1), and how much of the paper could be checked (1). Access affects how confidently this directory can assess a study, not the study's underlying quality. Blinding is reported separately because it is not relevant to every design.
The accessible description does not establish a strong causal design.
A usable sample size is not stated in the profile's accessible source.
Comparison or control details are limited in the reviewed source.
An accessible full paper or manuscript is linked, making methods easier to check.
Double-blind? Not applicable in the same way as a participant-treatment experiment.
Research question
What the authors investigated
Does the fit between a referral reward and the product being recommended affect referral likelihood, and does the pattern differ by gender?
Design
One field study and two laboratory studies test referral responses to utilitarian versus hedonic products and congruent versus incongruent reward types.
Sample and setting
Field and laboratory settings involving product and reward evaluations. The accessible abstract does not give a combined sample size; the full text reports separate studies and samples.
Reported result
What the study found
Across the reported studies, utilitarian rewards generated higher referral likelihood for utilitarian products, whereas hedonic rewards performed better for hedonic products. The paper also examines gender differences in this congruence pattern.
This is a paraphrase of the source. Check the original paper for definitions, estimates, statistical uncertainty and analysis details.
Scope and transfer
Limitations to keep in view
The tested products and rewards are specific to the study settings, and the abstract does not establish whether the interaction generalizes to business software or B2B referrals. Referral likelihood is not the same as completed referrals or profitable acquisition.
Possible founder application
When offering referral incentives, test whether the reward feels aligned with the product and the referrer's motive. Measure actual invitations and resulting customer value; avoid using demographic stereotypes as a substitute for experimentation.
Evidence access
Open full text in PubMed Central and publisher record
Peer-reviewed publisher abstract and open full text; the profile summarizes the stated design and central congruence result.
If only an abstract or metadata was available, the profile is limited to claims supported there. A paper's paywall does not change its evidentiary status, but it limits what we can substantiate from accessible text.