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  2. Observational methods in psychology - Wikipedia

    en.wikipedia.org/wiki/Observational_Methods_in...

    In field experiments, researchers manipulate one or more independent variables in a natural setting to determine the effect on behavior. This method represents the most extreme form of intervention in observational methods, and researchers are able to exert more control over the study and its participants. [2]

  3. Observation - Wikipedia

    en.wikipedia.org/wiki/Observation

    Test the hypothesis' predictions by an experiment, observational study, field study, or simulation; Draw a conclusion from data gathered in the experiment, or revise the hypothesis or form a new one and repeat the process; Write a descriptive method of observation and the results or conclusions reached

  4. Observational study - Wikipedia

    en.wikipedia.org/wiki/Observational_study

    Anthropological survey paper from 1961 by Juhan Aul from University of Tartu who measured about 50 000 people. In fields such as epidemiology, social sciences, psychology and statistics, an observational study draws inferences from a sample to a population where the independent variable is not under the control of the researcher because of ethical concerns or logistical constraints.

  5. Scientific method - Wikipedia

    en.wikipedia.org/wiki/Scientific_method

    In more detail: the scientific method involves making conjectures (hypothetical explanations), predicting the logical consequences of hypothesis, then carrying out experiments or empirical observations based on those predictions. [4] A hypothesis is a conjecture based on knowledge obtained while seeking answers to the question.

  6. Experiment - Wikipedia

    en.wikipedia.org/wiki/Experiment

    Observational studies are limited because they lack the statistical properties of randomized experiments. In a randomized experiment, the method of randomization specified in the experimental protocol guides the statistical analysis, which is usually specified also by the experimental protocol. [18]

  7. Observer bias - Wikipedia

    en.wikipedia.org/wiki/Observer_bias

    Observational data forms the foundation of a significant body of knowledge. Observation is a method of data collection and falls into the category of qualitative research techniques. There are a number of benefits of observation, including its simplicity as a data collection method and its usefulness for hypotheses.

  8. Scientific control - Wikipedia

    en.wikipedia.org/wiki/Scientific_control

    A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable (i.e. confounding variables). [1] This increases the reliability of the results, often through a comparison between control measurements and the other measurements. Scientific controls are a part of the ...

  9. Naturalistic observation - Wikipedia

    en.wikipedia.org/wiki/Naturalistic_observation

    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.