Picture in article head

I have compared different daily newspapers websites.
You usually start with one of the following page layouts
[Headline]
[Picture]
[Bold Description]

or
[Headline]
[Bold Description]
[Picture]

not so often
[Picture]
[Headline]
[Bold Description]

What is the difference between the first two solutions at a visitor's eye to draw attention to an article. Are there any studies on this?