A City Guide To Luancheng for Unlike some other domains of psychology such as cognitive science, health psychology can be considered as an applied science, although not all health psychology research is predictive. For example, some research aims only to q uantify e.g. what percentage of school pupils drink under age? or describe e.g. what are the basic characteristics of underage drinkers, such as age, sex, socio-economic status. Descriptive research ideally provides the foundation for the generation of more causal questions e. A City Guide To Luancheng 2016.