The phrase "a secondary study of" is correct and usable in written English.
It can be used when referring to research or analysis that builds upon or reviews existing studies or data rather than presenting original research.
Example: "The paper presents a secondary study of the effects of climate change on agricultural productivity, synthesizing findings from various primary research articles."
Alternatives: "a review of" or "an analysis of".
Furthermore, we also conducted a secondary study of the evolution of code smells in MobileMedia and in Health Watcher.
Patients and methods: This is a secondary study of patients included in a prospective interventional physiologic study performed in patients with moderate to severe ARDS (PaO2 FIO2 < 150 mmHg), intubated, sedated and paralyzed, requiring PP.
We also conducted a secondary study of the evolution of code smells in both target systems and found that, in general, code smells are present from the moment of creation of a class or method in 74.4% of the cases of MobileMedia and 87.5% of Health Watcher.
This was a secondary study of endoscopic small bowel biopsies obtained during the course of a single centre, randomised, double-blind, placebo-controlled, parallel-group trial investigating the effect of high dose MM supplementation on innate immune effects of oral vaccines.
Also in Copalillo, after the population and the authorities reflected on the cost of supplying households with piped water, a secondary study of costs of collecting water was undertaken, confirming that it would be cheaper to install a water outlet to each household than to continue with each household carrying water from the sources.
Section 5 presents a secondary study on the evolution of code smells in the systems MobileMedia and Health Watcher.
The Systematic Mapping study is a type of secondary study that can complement Systematic Literature Reviews.
Table 2 shows an overview of the secondary study outcomes and their psychometric properties.
This study presents a secondary analysis of the study data.
All strategies recommend starting a search by seeking individual documents, whether the document is a study, a secondary publication of a single study, or a systematic review.
Nearly every individual study was a secondary analysis of a study designed to test a different primary hypothesis and this inevitably will result in some measurement bias and residual confounding.
