1. The document discusses various methods that companies use for staffing and recruitment, including internal recruitment, informal recruitment through employee referrals, and formal recruitment using advertising, search firms, campus recruiting, and online recruiting. 2. It also covers candidate screening processes such as application reviews, interviews, reference checks, and tests to assess personality, cognitive abilities, technical skills, and aptitudes. 3. Companies strive to use structured interviews and assessment centers to minimize biases, and validate their selection methods and tests to ensure they accurately predict job performance.