His findings are based on anecdotal evidence rather than serious research.anecdotalan‧ec‧dot‧al /ˌænɪkˈdəʊtl◂ $ -ˈdoʊ-/ adjective 
His findings are based on anecdotal evidence rather than serious research.
EXAMPLES FROM OTHER DICTIONARIES
- The book is an anecdotal account of Kent's trip to Borneo.
- Beyond this, however, many of the claims were supported by anecdotal and subjective impressions only.
- His humorous and anecdotal but scholarly teaching style did not go unnoticed.
- In addition, problem-solution setups have an engaging, anecdotal quality.
- Systematic research can extend and refine traditional and anecdotal knowledge.
- The evidence is necessarily anecdotal, but it is very compelling.
- The report is backed up by anecdotal evidence from careers fairs.
- There is no apparent conclusive scientific study, but the anecdotal evidence is strong that the herb is useful.
COLLOCATIONS FROM THE ENTRY His findings are based on anecdotal evidence rather than serious research.COLLOCATIONS FROM OTHER ENTRIES
consisting of short stories based on someone’s personal experience: His findings are based on anecdotal evidence rather than serious research. (=based on what people believe, rather than on facts)· Anecdotal evidence suggests that gang-related violence is on the increase.
COLLOCATIONS FROM THE CORPUSNOUN· However, there is abundant anecdotal evidence of the effects of chemical pollution on the populations of small cetaceans inhabiting industrialised areas.· The anecdotal evidence is supported Statistically.· The report is backed up by anecdotal evidence from careers fairs.· But anecdotal evidence from marriage counselors and other professionals suggests that divorce rates spike when the first child leaves home.· It is not merely anecdotal evidence.· McLean had lots of anecdotal evidence in his training room Monday.· The pictures of precision attacks provide only anecdotal evidence of effectiveness.· Substantial anecdotal evidence indicates that men have not always been cooperative partners when it comes to the matter of family planning.
His findings are based on anecdotal evidence rather than serious research.