Sentence examples for existing studies were from inspiring English sources

Existing studies were reviewed to understand the possible reasons for the missing link of "building performance feedback".

Furthermore, the sample sizes of existing studies were often small, making it difficult to draw valid inferences from the reported findings.

Most of the existing studies were conducted in Western Europe and in the United States, and their result may not be applicable to the other parts of the world due to social and economic differences (Seyal et al., 2000).

However, the results from existing studies were more subjective, since they involved manual coding of student journal responses.

Moreover existing studies were performed only in one or the other of the above mentioned disease entities.

Although observational studies have tried to fill this knowledge gap, most existing studies were limited by small sample sizes and specific cancer sites [ 10- 15].

"The problem is precisely that there are not so many studies and that most of the existing studies are methodologically not very sound," he says.

Furthermore while existing studies are predominantly focused on specific ROIs, physiological responses in other regions of the face could also be informative.

The advisory committee found some evidence linking Sept. 11 to increased rates of cancer, but existing studies are far from conclusive.

The validity assessment revealed that the quality of the existing studies is very variable.

A hypothetical case from existing studies is used to demonstrate the procedure of the model.