A lot of the traditional 20th century sales theory and training was influenced by the 1937 book 'How to Win Friends and Influence People'; who wrote it?

1. What are the four main 'Temperament' types called within David Keirsey's Temperaments personality theory?
2. According to the Tannenbaum and Schmidt Continuum theory relating to leadership, delegation and team development, what must be reduced in order for the team's area of freedom (and growth) to increase?
3. What does the financial term ROI stand for?
4. Whose experiential learning theory comprises the learning styles named: Concrete Experience (feeling); Abstract Conceptualization (thinking); Active Experimentation (doing); and Reflective Observation (watching)?
5. Daniel Goleman was responsible for popularising and defining what management and behavioural concept in his eponymously titled (ie., the title is also the subject) 1995 book?
6. What is psychometrics?
7. What is the management technique that is commonly and informally abbreviated to MBWA?
8. Large size hand-writing generally indicates what characteristics in the personality of the writer?
9. Since October 2004, UK employers must follow a minimum process of three-stages for handling disputes with employees, including disciplinary and grievance matters; what are the basic minimum three stages required?
10. Douglas McGregor defined two main styles of management; what did he call them and how are each of the two styles typified?
11. Bruce Tuckman's theory about team development uses what four sequential rhyming words to describe the four stages of a group's progression?
12. What are Howard Gardner's seven (original) Multiple Intelligences?
13. According to Herzberg's motivational theory, which of these are 'hygiene needs' (also called 'maintenance factors') and which are true 'motivators': work conditions, salary, achievement, advancement, work itself, responsibility, company car, status, recognition, and personal growth?