to examine …
to examine … more closely
to observe …
to observe … in detail
to evaluate …
to assess …
to assess the significance of …
In determining …, …
to determine whether …
whether or not …
We observed …
By analysing GB or analyzing US …,
… was analysed GB or analyzed US by or for …
The analysis here is based on …
It is relatively easy to describe …
one immediately obvious feature of … is …
A quick glance at … shows that …
… exhibit classic signs or symptoms of …
From … it is apparent that …
… is immediately apparent
… is most pronounced in …
… shows evidence of …
Superficially at least, …
Underlying … is the view etc. that …
Analysis of the data revealed …
Closer examination of … reveals that …
Closer inspection revealed that …
Viewed in this way, …
There is some indication that …
Observations of … suggest that …
The presence of … can be tested by …
An important test for … is whether or not …
… may be or is confirmed by …
… tends to occur or be found in …
… is not a necessary condition for …
the interaction of … and …
exposure to … results in …
One way of examining or viewing …
One way of analysing GB or analyzing US …
… can be thought of as …
Comparison of theoretical predictions with actual observations revealed that …