The hottest Meta-analysis Substack posts right now

And their main takeaways
Category
Top Science Topics
Science Fictions 321 implied HN points 02 Nov 24
  1. There have been multiple cases of scientific fraud recently, with researchers faking data in many papers. This creates big problems for their colleagues who did not know about the fraud.
  2. Some studies have shown that certain treatments, like puberty blockers, may not be effective for mental health, but researchers are hesitant to publish these findings for fear of misuse.
  3. A recent article criticized scientific practices for being overly sensitive and politically correct, calling out how it can hinder genuine scientific discussion and progress.
Age of Invention, by Anton Howes 4468 implied HN points 29 Aug 23
  1. Replication and reproducibility crises exist in science and history, leading to widespread inaccuracies.
  2. Historical myths and inaccuracies can persist for years, even when proven wrong.
  3. There is a need for historians to improve transparency by making archival sources more accessible to reduce errors and biases.
Samstack 807 implied HN points 14 Nov 23
  1. Support for right-wing parties may increase after right-wing terrorist attacks, contrary to previous evidence on political violence.
  2. Discrimination against women for jobs historically held by men has been non-existent since 2009, but there may still be bias in favor of female applicants.
  3. Meta-analyses, like the one discussed, offer valuable insights when designed carefully and with expert input to avoid bias.
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New Things Under the Sun 144 implied HN points 02 Oct 23
  1. Literature reviews tend to be more highly cited than traditional research articles in academia and policy.
  2. Literature reviews help consolidate isolated niches of research into more central ideas in academia.
  3. Academic literature reviews can influence policy-making by providing a broader and more accurate picture of scientific findings.
UX Psychology 19 implied HN points 09 Feb 22
  1. The 10,000-hour rule, popularized by Malcolm Gladwell, suggesting practice alone leads to expertise has been debunked by recent studies showing talent and various factors play a significant role in skill acquisition.
  2. Criticism towards the 10,000-hour rule came from meta-analyses in sports, revealing that practice only accounted for a small percentage of the difference in performance levels, emphasizing the contribution of genetics and other factors.
  3. Understanding the limits of practice is crucial as it challenges the notion that anyone can excel if they put in enough effort, and highlights that success is influenced by multiple elements beyond just practice.
Harnessing the Power of Nutrients 0 implied HN points 14 Mar 11
  1. High levels of LDL-cholesterol are not the sole cause of heart disease; it is the oxidative destruction of LDL particles, not the cholesterol concentration, that plays a central role.
  2. Genetic mutations affecting LDL receptor activity reveal that poor activity increases the risk of heart disease, while greater activity decreases the risk significantly.
  3. Blood lipid levels, although not determinants, can indicate metabolic issues related to LDL receptor function and should not be ignored as they provide essential clues about heart disease risk.
Harnessing the Power of Nutrients 0 implied HN points 13 Jan 09
  1. The total-to-HDL cholesterol ratio is an important predictor of heart disease mortality risk, with lower ratios associated with reduced risk across different age groups.
  2. The ratio can indicate how long LDL particles stay in the blood, potentially reflecting the efficiency of LDL receptor activity.
  3. Different dietary fats have varying effects on the total-to-HDL cholesterol ratio, with unsaturated fats and specific saturated fats like lauric acid decreasing the ratio, while trans fats increase it.