This research study aims to evaluate the graduate theses and articles conducted on the concept of instructional leadership over the period between 2002 and 2017 in Turkey by means of methodological and statistical analysis techniques. In the study, which is configured by using the case study design as one of the qualitative research methods, the related theses are obtained from the database of the Council of Higher Education Thesis Center in Turkey, whereas the related articles are provided through article archives of the National Academic Network and Google Scholar website. The data collected via the academic publication evaluation form are evaluated by frequency analysis using. In the study, 104 postgraduate theses and 35 articles on instructional leadership are conducted, many of which using scales as data collection tools. Lack of due diligence in validity and reliability studies, selection of mostly teachers for sampling, and usage of descriptive t-test and one-way ANOVA techniques in data analyses are detected. As a result, it is shown that similar studies using similar datasets and the same data collection tools have been carried out on instructional leadership. Mixed research and scale development studies in which qualitative and quantitative methods can be used collocation.