One of the weaknesses of this study is that the data are based only on self-reported emotional difficulties while, as generally known, a multi-informant evaluation may be more precise and valuable, especially in detecting emotional difficulties, which young people might not always be completely aware of [37].
"It is clear, a traditional Likely Voter Model based only on self-described interest and self-described likelihood to vote missed the scope of the turnout of 18-29 year olds and Latinos in 2012," McInturff wrote.
Ideas like the biblical prohibitions against waste; the command to be stewards of the planet; a legal system that obligates us to care for others (which thus transcends a system of rights based only on self-protection) --all these should no longer seem utopian, but instead recognized as matters of survival for the human race.
As we described in the introduction, according to previous research based only on self-report, the rate of touch-typists is surprisingly low in Japan.
As the presence or absence of inflammatory and immune diseases were based only on self-reports, the results may have been affected by unrecognized inflammatory processes in some participants.
Data from the section 2 considers the person as the unit of analysis and establishes presence of disability based only on self-reported difficulty in functioning at the person level, and this is a limitation.
Of the 16 studies that reported benefit, six were based only on self-reported data (or provider or partner reported) and not on objective data or a validated reporting tool.
These data allowed us to apply controls based only on self-reports in other studies of chronic mortality (e.g., Hoek et al. 2002; Jerrett et al. 2005; Pope et al. 2002).
In addition, using a biochemical marker such as cotinine level in saliva, urine, or blood to confirm self-reported smoking status would have been useful, as smoking status based only on self-report show trends of underestimation [ 54].
