5. Hypotheses and model construction
The results found in Sections 3 and 4 seem to indicate that international articles increase a journal's
visibility and readership. Therefore, academic journalswith an increased global focus should see improvements
in their rankings (Hypothesis 1) and in their citation scores (Hypothesis 2). The first hypothesis is stated as:
H0. Improvements in journal rankings are independent froma journal's international focus and expertise.
A logistic regression model is used for Hypothesis 1 since the dependent variable takes a value of one
when the journal's rank improved and zero otherwise. The model controls for past performance with the