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— April 17, 1947 Atomic Energy Commission memo from Colonel O.G. Haywood, Jr. to Dr. Fidler at the Oak Ridge National Laboratory in Tennessee Between 1946 and 1947, researchers at the University of Rochester injected uranium-234 and uranium-235 in dosages ranging from 6.4 to 70.7 micrograms per kilogram of body weight into six people to study how much uranium their kidneys could tolerate ...
Mary Ainsworth. Mary Dinsmore Ainsworth ( née Salter; December 1, 1913 – March 21, 1999) [ 1] was an American-Canadian developmental psychologist known for her work in the development of the attachment theory. She designed the strange situation procedure to observe early emotional attachment between a child and their primary caregiver .
Program evaluation. Quasi-experiment. Self-report inventory. Survey, often with a random sample (see survey sampling) Twin study. Research designs vary according to the period (s) of time over which data are collected: Retrospective cohort study: Participants are chosen, then data are collected about their past experiences.
Methods can be categorized by the kind of data they produce: qualitative or quantitative—and both these are used for pure or applied research. Psychology tends to be eclectic, applying knowledge from other fields. Some of its methods are used within other areas of research, especially in the social and behavioural sciences.
Naturalistic observation, sometimes referred to as fieldwork, is a research methodology in numerous fields of science including ethology, anthropology, linguistics, the social sciences, and psychology, in which data are collected as they occur in nature, without any manipulation by the observer. Examples range from watching an animal's eating ...
Web-based experiments. A web-based experiment or Internet-based experiment is an experiment that is conducted over the Internet. In such experiments, the Internet is either "a medium through which to target larger and more diverse samples with reduced administrative and financial costs" or "a field of social science research in its own right." [1]
The scientist–practitioner model, also called the Boulder Model, [ 1] is a training model for graduate programs that provide applied psychologists with a foundation in research and scientific practice. It was initially developed to guide clinical psychology graduate programs accredited by the American Psychological Association (APA).
Experimental psychology refers to work done by those who apply experimental methods to psychological study and the underlying processes. Experimental psychologists employ human participants and animal subjects to study a great many topics, including (among others) sensation, perception, memory, cognition, learning, motivation, emotion; developmental processes, social psychology, and the neural ...