17.  Mr. Vikas Goel is an H.R. Manager of "Sandhya Furniture Pvt. Ltd." At the beginning of the new year he anticipated that the company will need new 30 additional persons to fill up different vacancies. He gave an advertisement in the newspaper inviting applications for filling up different posts. As many as 120 applications were received. The same were scrutinized. Out of these, conditions of 15 applicants were not acceptable to the company. Letters of regret, giving reasons, were sent to them. Remaining candidates were called for preliminary interview. The candidates called for were asked to fill up blank application form. Thereafter, they were given four tests.
The objective of the first test was to find out how much interest the applicant does take in his work.

The objective of the second  test was to find out 'specialisation'' of  the applicant in any particular area.

Third test aimed at making sure whether the applicant was capable of learning through training or not.

The purpose of the fourth test was to find out how much capability a person has to mix-up with other persons, and whether he can influence other persons and get influenced by them.

Answer the following questions on the basis of the above information :

(a)  Quoting the lines, identify the first two steps of staffing.
(b)  Identify different tests given to the applicants by Mr. Goel.