In the given question, two statements are provided. Below them are three sentences that have been created using sentence connectors from the two statements. Out of the three options, select the one/s that is/are grammatically correct and imply the same meaning as expressed in the question statements. 

A study is well designed when it requires statistical sophistication. It also understands the size of any effect and the significance of the result.

1. When a study is well designed, even it requires statistical sophistication, it also understands the size of any effect and the significance of the result.
2. When a study is even well designed, it requires statistical sophistication, though it understands the size of any effect and the significance of the result.
3. A study is well designed when it requires statistical sophistication and also understands the size of any effect and the significance of the result.