Journal of Clinical Epidemiology
 2017
DOI: 10.1016/j.jclinepi.2017.06.002
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Scientific citations favor positive results: a systematic review and meta-analysis

Bram Duyx
1
,
Miriam Urlings
2
,
Gerard M. H. Swaen
3
et al.

Abstract: Similar to what we already know on publication bias, also citation bias can lead to an overrepresentation of positive results and unfounded beliefs.

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Cited by 191 publications

(149 citation statements)
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References 64 publications

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“…These include the publication year, keyword count, reference count and journal reputation before the publication of the studied RCTs (see Table 4). This is in agreement with previous literature confirming the positive impact of keyword count [12,15], publication year [29], reference count [18,20,22] and JIF [12,[16][17][18]23,25,27,28]. According to our results, the journal reputation was the strongest factor affecting the citation count.…”
Section: Discussionsupporting
confidence: 93%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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“…These include the publication year, keyword count, reference count and journal reputation before the publication of the studied RCTs (see Table 4). This is in agreement with previous literature confirming the positive impact of keyword count [12,15], publication year [29], reference count [18,20,22] and JIF [12,[16][17][18]23,25,27,28]. According to our results, the journal reputation was the strongest factor affecting the citation count.…”
Section: Discussionsupporting
confidence: 93%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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“…Our study found that the most common study design in both years was the systematic review. This finding was consistent with a study that found biomedical sciences had an increased preference for this type of study design as compared to other fields and that systematic reviews and meta‐analyses had larger numbers of citations, which affected those journals’ Impact Factor 20 . In our study, the Impact Factor of the journals most often cited was also high.…”
Section: Discussionsupporting
confidence: 92%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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“…Result significance was not a significant predictor for FPP, which contradicted previous studies in dentistry and medicine (Galang et al, 2011;Lee et al, 2012;Livas et al, 2014;Saldanha et al, 2016). Some methodological studies suggested that significant results were usually considered important and were more likely to be published in high-impact journals and attract more citations (Dickersin, 1990;Dickersin, Min, Meinert, 1992;Duyx, Urlings, Swaen, Bouter, Zeegers, 2017;Easterbrook, Berlin, Gopalan, Matthews, 1991). However, in this study, no association was found between FPP over time and the significance of results.…”
Section: Predictors Of Fpp and Discrepanciescontrasting
confidence: 99%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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