Consider the following statements :

1. Acquired immune deficiency syndrome seems to have begun in Central Africa
2. AIDS is transmitted through the Human Immunodeficiency Virus (HIV)
3. A person may test HIV-seropositive (HIV +) but be free of AIDS
4. Intensive community-based interventions aimed at risk population will be effective.

Of the statements :

The best technique for selecting a representative sample is

The process of building organizations that ensure the effectiveness of work teams and of their organisations is called

To determine the cluster of more internally homogeneous items to serve as new criteria for item analysis the technique used is

Sequence the following :

Need, Tension, Energy, Value

Select your response according to the coding scheme given below :

Consider the following statements :

Assertion (A) : People with obsessive-complusive personality disorder are characterised by a fixation on things being done the right way.

Reason (R) : People with obsessive-compulsive personality disorder show rigidity and stubbornness.

Now select your answer according to the coding scheme given below :