[quickthrowman]

Let’s break it down:

> some people is know

Some people are known

> for only do their job when a manager is around.

for only doing their job when a manager is around.

> They behave similar after all.

Their behavior is similar to the chimpanzees in the study.

Now, let’s put that all together:

> Some people are known for only doing their job when a manager is around. Their behavior is similar to the chimpanzees in the study.

That wasn’t so hard now, was it?

Edit: I see that the two sibling comments to mine interpreted it the same way.