(In his Times review, A. O. Scott wrote that the film, directed by Baltasar Kormákur, "feels strangely abstract, lacking the gravity of genuine tragedy").
This may mean that some articles meeting the inclusion criteria were missed if the abstract lacked detail.
It should be noted that those studies included in the meta-analysis performed well in our assessment of methodological quality, other than Dolan et al., which, as an abstract, lacked the sufficient detail required to properly examine its methodological strengths and weaknesses.
On certain views of types and universals, types, unlike their instances, are abstract and lack a spatio-temporal location.
According to a common view, abstract entities lack spatio-temporal properties and relations, as opposed to concrete objects which exist in space and time (Lowe 1995, 515).
Making the concept of vulnerability "operational" has been a challenge because current theoretical concepts and frameworks are abstract and lack guidelines to measure or quantify them (Hinkel 2011).
Ketamine effects on psychopathology resulted in difficulties in abstract thinking, lack of spontaneity, and conversation flow plus formal thought disorder, while verbal fluency performance remained unaffected.
The negative scale includes seven items: blunted affect, emotional withdrawal, poor rapport, passive/apathetic social withdrawal, difficulty in abstract thinking, lack of spontaneity and flow of conversation, and stereotyped thinking.
The Abstract Expressionists lacked order".
