Sentence examples for before the main study from inspiring English sources

So as to increase the validity and reliability, all the research instruments were piloted before the main study.

Before the main study was carried out, a small scale pilot study was conducted to explore the approaches to participant recruitment, data collection and data analysis.

Each assessment wave is preceded by a longitudinal pilot study, which runs 1 year before the main study is conducted, to test all instruments and procedures.

Before the main study, a pilot study was conducted to test the validity and usability of MIC-O-MAP and the validity of the post-test.

Following the modification process, a pilot study was carried out among 50 teachers selected from two secondary schools (32 from a public school and 18 from a private school) before the main study.

All patients provided written informed consent before the main study and extension.

In addition, it was pretested and revised accordingly before undertaking the main study.

Before commencing the main study, a pilot study was performed using 10 children, not included in the main study.

To ensure subject recruitment procedures and the validity and reliability of the measuring instrument, a pilot study of 20 patients with chronic conditions or their caregivers were conducted before administering the main study.

We ran pre-pilot and pilot studies before embarking on the main study.

The interview guide was piloted with two participants and refined before use in the main study.