Are test harness & test driver same?
If not what is the difference

Test Driver A software module or application used to invoke a test item and, often, provide test inputs (data), control and monitor execution. A test driver automates the execution of test procedures.It also often used to report the actual results over an application during execution.We had a vbSript version of it for our automation project..using QTP 9.1

Test Harness A system of test drivers and other tools to support test execution. In our project we called it Intiator and placed it on desktop as a vbs file and using excel objects ..by double clicking it executed all tests controlling the drivers of Tests stored in QTP. Addtionally It reported the test cases as fail/pass comparing actual and expected results.

Test Procedure. A document, providing detailed instructions for the [manual] execution of one or more test cases. Often called - a manual test script.

Hope this helps.
Regards,
jiten