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It was established in 1975 and the journal is co-edited by Raya Muttarak and Joshua Wilde. The journal covers population studies, the relationships between population and economic, environmental, and social change, and related thinking on public policy. Content types are original research articles, commentaries, data and perspectives on ...
Population Studies is a triannual peer-reviewed academic journal covering demography. It was established in 1947 and is published by Taylor & Francis on behalf of the Population Investigation Committee. [1] The founding editor-in-chief was David Glass, who edited the journal from 1947 until his death in 1978. [2]
In published academic research, publication bias occurs when the outcome of an experiment or research study biases the decision to publish or otherwise distribute it. Publishing only results that show a significant finding disturbs the balance of findings in favor of positive results. [ 1 ]
Even if a study meets the benchmark requirements for and , and is free of bias, there is still a 36% probability that a paper reporting a positive result will be incorrect; if the base probability of a true result is lower, then this will push the PPV lower too. Furthermore, there is strong evidence that the average statistical power of a study ...
[6] [8] Research interpretation bias or spin is prevalent across medical publications irrespective of discipline i.e. surgical versus medical and irrespective of journal ranking or study's level-of-evidence hierarchy. Notable bias (spin) has been reported in the interpretation of results of randomized control trials, although these study ...
Isolated studies – Isolated studies are usually considered tentative and may change in the light of further academic research. If the isolated study is a primary source, it should generally not be used if there are secondary sources that cover the same content. The reliability of a single study depends on the field.
Common source bias is a type of sampling bias, occurring when both dependent and independent variables are collected from the same group of people. This bias can occur in various forms of research, such as surveys , experiments , and observational studies . [ 1 ]
The majority of the world's population lives in the Northern Hemisphere, which contributes toward a selection bias to a Northern Hemisphere perspective. This selection bias interacts with the other causes of systemic bias discussed above, which slants the selection to a pro-Northern Hemisphere perspective. [15]