The validation of scales in specific clinical samples is important for research on mindfulness due to the recognised need for using valid measures in the assessment of interventions.
However, until now, no methodologically sound study has been conducted in Norway using valid, reliable measures of business activity covering the period before and after the implementation in order to separate the economic impact of the law from underlying economic trends and to allow sufficient time for businesses, smokers and non-smokers to adapt their behaviour to the policy.
Secondly, the current study uses psychometrically valid measures of mental health to focus on the broader domain of family burden as opposed to focusing exclusively on the experience of primary caregivers.
It is important to emphasize that this graphic display of results does not take study quality into account, and it does not more heavily weight studies that used more valid measures of TCDD exposure.
A high number of dropouts is a validity concern for both RCTs and BCTs, as well as the importance of using valid outcome measures.
The study employed a robust design and used valid, objective measures of PA and sedentary behaviour supplemented with self-report measures.
Undeniably the state of equipoise for many in the use of nebulised frusemide demands well designed clinical trials in target populations using reliable and valid measures of outcome.
First, studies that take more precautions to minimize the risk of bias (for example, through using reliable and valid measures of health care outcomes) are more likely to reveal useful truths than those that take fewer precautions.
We have used a valid measure of co-morbidity, the Charlson Index using the HES database which has shown coding accuracy of 91% for diagnostic International Classification of Diseases codes (Campbell et al, 2001).
Finally, we used reliable and valid measures of both exertion and general fatigue.
