Google Changes to AdWords Reporting A Comprehensive Guide - Manual (Page 6)

Ad group reports
To see statistics by ad group, visit the “Ad groups” tab and download the data table
as an ad group report.
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Like the campaigns table, you can set up a “Campaigns/Ad Groups” filter to see only
certain ad groups in the table.
Placement/keyword reports
The Placement/Keyword report in the Report Center combines performance data
for both keywords and managed placements in one report. In the Campaigns tab,
you can run reports for keywords and placements separately.
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To download a keyword report, click the download button in the toolbar above
the data table on the “Keywords” tab. Similarly, to download a placement report,
click the download button in the toolbar above the managed placements table on
the “Networks” tab.
Ad reports
Ad reports let you easily compare and analyze the performance of ads across
your account. These reports are especially helpful for identifying effective
messaging strategies.
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