"indeed affected" is correct and usable in written English.
You can use it to emphasize the impact of an event or action. For example, "The fire indeed affected the entire city."
But in August, two weeks before Hurricane Katrina struck the Gulf Coast, Professor Emanuel wrote in the journal Nature that he had discovered statistical evidence that hurricanes were indeed affected by global warming.
They were asked if they had voted and, if so, who for.The conclusion, which Dr Ferguson reports in a paper in Psychological Science, was that participants' voting intentions were, indeed, affected by seeing the flag.
I would submit that, given the growing evidence that thimerosal has indeed affected the health of the children of this nation, it is irresponsible to cavalierly dismiss Mr. Kennedy's concerns (and the concerns of the parents of 500,000 autistic children in this country) regarding a possible connection with the effect of a known neurotoxin on their children's neurological functioning.
I believe that self-regulation is, indeed, affected by regulation.
The mechanical properties of the treated soil are indeed affected by this microstructural organization.
Water pumping has indeed affected the neighboring highways and the railway line.
These results show that microwave irradiation indeed affected the crystallization of amorphous PZT thin films differently than conventional annealing.
At the behavioral level the emotional experience of regret and disappointment were indeed affected by both feedback and agency manipulations.
These situations are indeed affected greatly by the initial statement of the government in responding to both earthquakes.
The waste slide indeed affected marginalized and vulnerable people who struggled to make a living out of the dumpsite.
Users and primarily men are indeed affected by stronger competition, which leads to reduced user expenditures on the focal service.
