Scientific inbreeding and same-team replication: Type D personality as an example
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Conflicts of interest
The author declares that he has no conflicts of interest.
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2021, European Management JournalVital personality scores and healthy aging: Life-course associations and familial transmission
2021, Social Science and MedicineCitation Excerpt :An example is the literature on personality types linked with health, such as the “Type A” personality and cardiovascular disease (Smith et al., 2012). However, there is a lack of consensus about which profiles or types to use; a patchy replication history of specific profiles; and a pattern of inconsistent associations between personality profiles and health (Costa et al., 2002; Ioannidis, 2012; Myrtek, 1995). The vital personality score addresses some of these concerns and represents a straightforward and parsimonious way to represent personality contributions to healthy aging.
Changing the logic of replication: A case from infant studies
2020, Infant Behavior and DevelopmentCitation Excerpt :The two classes, however, are not equivalent, as there is evidence that internal replications have a much higher probability of being interpreted as confirmatory than external replications (e.g., Coyne, 2016). This phenomenon is also known as the same team science effect, and perhaps can be in part due to the fact that the original laboratory has better expertise or ability to conduct closer replications (Ioannidis, 2012). But there is also the risk of confirmation bias.
The fame monster: Unintended consequence of fame for psychological science
2019, New Ideas in PsychologyThe decline effect in evaluations of the impact of the Strengthening Families Program for Youth 10-14 (SFP 10-14) on adolescent substance use
2017, Children and Youth Services ReviewCitation Excerpt :Moreover, and as will be discussed below, even when replication studies are undertaken, there is a tendency to explain away their findings if they do not support those of the original study. Ioannidis (2012b) discusses the possible mechanisms whereby an idea is introduced into the scientific literature through a body of initially positive, but spurious, results. The first stage of the process involves a research team conducting a plethora of analyses, reporting the “best results” that emerge from these, and failing to document and disclose those that support the null hypothesis.