![I have a conclusion
based on an observation.
I have a conclusion
based on an observation.](https://content2.mcqstudy.com/ss/tbbt-1-10-00:02:09.086.jpeg)
I have a conclusion
based on an OBSERVATION.
The Big Bang Theory Season 1, Episode 10
![As a scientist, I reach conclusions
based on observation and experimentation.
As a scientist, I reach conclusions
based on observation and experimentation.](https://content2.mcqstudy.com/ss/tbbt-1-10-00:01:50.692.jpeg)
As a scientist, I reach conclusions
based on OBSERVATION and experimentation.
The Big Bang Theory Season 1, Episode 10
![Tell my friend you need to keep me
under observation for an hour.
Tell my friend you need to keep me
under observation for an hour.](https://content2.mcqstudy.com/ss/tbbt-1-16-00:14:02.549.jpeg)
Tell my friend you need to keep me
under OBSERVATION for an hour.
The Big Bang Theory Season 1, Episode 16
![The observation period
is almost over,
The observation period
is almost over,](https://content2.mcqstudy.com/ss/ww-2-4-00:06:46.586.jpeg)
The OBSERVATION period
is almost over,
Westworld Season 2, Episode 4
![His observation of high-energy positrons
has provided the first evidence...
His observation of high-energy positrons
has provided the first evidence...](https://content2.mcqstudy.com/ss/tbbt-2-11-00:01:50.776.jpeg)
His OBSERVATION of high-energy positrons
has provided the first evidence...
The Big Bang Theory Season 2, Episode 11