| Term | Definition |
| Rosenhan and Seligman (1989) | Definition of addiction |
| Griffiths (1995) | 6 main components of addiction |
| Wise () | NT theory: Believes that DOPAMINE ONLY is cause of addiction |
| Potenza (2001) | NT theory: Dopamine is not the only drug that has an effect |
| Concar (1994) | NT theory: Is too reductionist given that addiction is a highly personal experience |
| Orford (2001) | NT theory: Addiction depends on personal, social, situational and dosage |
| Han et al (1999) | Genetics theory: MZ & same sex DZ Environment has a greater influence than genetics |
| Jang et al (2000) | Genetics theory: Connection between genetics and antisocial behav, and antisocial behav and substance abuse |
| Comings (1998) | Genetics theory: DRD2 in people with alcoholism, Tourettes syndrome and autism |
| Prochaska, Di Clemente and Norcross (1992) | The spiral model of behavioural change |
| Mestel and Concar (1994) | Voucher system for people with cocaine problems |
| Djikstra and De Vries (2001) | Self help and information sessions for smokers trying to quit |
| Moolchan, Ernst and Henningfield (2000) | Smoking in adolescents |
| Adolescent Chemical Use Experience | Model consisting of four stages; experimental, social, operational, dependence |