Nevertheless, four independent workgroups showed reduced D2 receptor density of the minor A1-allele carriers [ 19- 22], and only one reported a negative finding [ 23].
It is especially important for cases where no variants of interest can be found in the specified zones and thus a negative findings report needs to be justified.
None of the articles reported any negative findings.
not determined, + positive finding reported, − negative finding reported, i.c.
Emmot says that the bureaucratic nature of the public sector, and the civil service in particular, plays a part in the report's negative findings.
The German study also reported negative findings according to several PCR amplification methods, as well as culture, of fresh gallbladder tissue biopsies.
Of these twenty-three, two show positive effects of unbundling on investment by incumbents or entrants; one shows positive and negative effects; two report no findings; one reports negative findings.
Although this is a report of primarily negative findings it is not without value and should be published.
The failure of biomedical scientists and journals to report negative findings of their studies, as reported in "Science Needs a Healthy Negative Outlook" (Week in Review, July 7), could be substantially remedied if the federal government, which finances a large proportion of biomedical research, were to require as a condition of financing that such reports be published.
Journals can be fearful of adopting Registered Reports on the grounds that the articles might report negative findings and so reduce the journal's impact factor, even though impact factor is a thoroughly meaningless metric.
In an analysis last year, Dr. Erick H. Turner, a senior scholar at the Center for Ethics in Health Care at Oregon Health and Science University, found that most antidepressant makers had in the past failed to report negative findings, or tried to cast a positive light on their findings, to make their drugs appear more effective in adults.
