Match the List-I (Concepts in Research) with List-II (when applied). 

List I (Concepts in Research)	List II (When applied)
(a) Pilot- test	(i) After programme is completed
(b) Pre- test	(ii) Programme when in making
(c) Post- test	(iii) Schedule/Questionnaire (Instruments)
(d) Process- test	(iv) Programme in a restricted context

Codes:	(a)	(b)	(c)	(d)
(A)	(iii)	(iv)	(i)	(ii)
(B)	(iv)	(ii)	(iii)	(i)
(C)	(iii)	(iv)	(ii)	(i)
(D)	(iii)	(i)	(iv)	(ii)

Correct Ans: (A)

Explanation:

Research involves various testing methods to ensure accuracy and reliability. Each type of test plays a crucial role in different phases of a study. Understanding these concepts helps researchers conduct effective studies and interpret results correctly.

A pilot test is conducted in a restricted context before the main study. Researchers use it to refine methods and identify potential issues in instruments like questionnaires. On the other hand, a pre-test occurs before the program begins. It helps evaluate the effectiveness of the research tools and ensures questions are clear and unbiased.

Meanwhile, a post-test is conducted after completing the program. Researchers use it to measure changes and determine the program’s impact. Additionally, a process test occurs while the program is in progress. It helps track developments and make necessary adjustments for better outcomes.

These research methods ensure that studies maintain credibility and produce valid conclusions. Moreover, they allow researchers to refine their strategies, improving the overall quality of their findings. By implementing these tests, researchers can enhance accuracy and contribute to the advancement of knowledge.

In conclusion, these testing methods are essential for conducting structured and reliable research. They play a significant role in evaluating programs, refining research instruments, and ensuring data validity.