The involvement aspect is observable, while we can only observe correlates of interest and enjoyment, such as smiling, laughing, or a look of concentration.
Limited observability is the assumption that economic agents can only observe a finite amount of information.
He realizes he has no place in Austria; he can only observe.
I can't really explain this phenomenon, I can only observe it and mount the only resistance possible.
It may be that the skies are full of "cosmic strings" that we can only observe because of their gravitational signal".
Still, all the girls, including Ms. Leffel, said they felt as if the show's characters occupy a world that they can only observe with a mix of envy and superiority.
As Itamar Rosenn, a researcher at Facebook in Palo Alto, Calif., wrote in an e-mail: "Our data is not able to account for differences in honesty and overall disclosure among genders and relationship status types; we can only observe what the user herself provides".
"We can only observe a fraction of the ordinary matter, so the question is what form the remainder takes.
Likewise, these critics argue, we can only observe a cosmos that has the features necessary to support (intelligent) life.
First, we introduce a social network and assume that agents can only observe the actions of agents to whom they are connected by this network.
For now, astronomers can only observe dark matter's influence indirectly, such as when watching unseen creatures perturb the surface of a pond.
