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In 1920 John B. Watson and Rosalie Rayner demonstrated such fear conditioning in the Little Albert experiment. They started with a 9-month boy called "Albert", who was unemotional but was made to cry by the loud noise (unconditioned stimulus) of a hammer striking a steel bar.
Rosalie Alberta Rayner (September 25, 1898 – June 18, 1935) was an undergraduate psychology student, then research assistant (and later wife) of Johns Hopkins University psychology professor John B. Watson, with whom she carried out the study of a baby later known as "Little Albert." In the 1920s, she published essays and co-authored articles ...
Google Docs is an online word processor and part of the free, web-based Google Docs Editors suite offered by Google. Google Docs is accessible via a web browser as a web-based application and is also available as a mobile app on Android and iOS and as a desktop application on Google's ChromeOS .
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The aim of Watson and Rayner was to condition a phobia in an emotionally stable child. [3] For this study, they chose a nine-month-old infant from a hospital. The child was referred to as "Albert" for the experiment. [4] Watson followed the procedures which Ivan Pavlov had used in his experiments with dogs. [5]
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The methods used to analyze behavior in child development are based on several types of measurements. Single-subject research with a longitudinal study follow-up is a commonly-used approach. Current research is focused on integrating single-subject designs through meta-analysis to determine the effect sizes of behavioral factors in development.
Goal-free evaluation (GFE) is any evaluation in which the evaluator conducts the evaluation without particular knowledge of or reference to stated or predetermined goals and objectives. [ 1 ] [ 2 ] [ 3 ] This external evaluation model typically consists of an independent evaluator who is intentionally screened from the program's stated goals ...