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Exercise 05 - 1 Exercise 5 Candid Camera Comparing and...

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1 Exercise 5: Candid Camera: Comparing and Contrasting Sampling Methods Goals 1. To collect data using both instantaneous and continuous sampling 2. To compare and contrast the data that are collected using the two methods 3. To discuss the different uses of the two observation methods Background There are two very commonly used methods of collecting behavioral data. In continuous sampling, the observer attempts to record an entire stream of data. Generally, it is possible only to do this for a single animal, and observations on a single animal are called focal observations. Alternatively, one might record what an animal is doing only periodically, at predetermined instants in time (such as every 30 seconds). This technique is called instantaneous or scan sampling, and any behavior that occurs in between the sample periods is ignored. (Both techniques are described in Altmann, 1974). Continuous, focal animal sampling is similar to videotaping an individual for some period of time. Instantaneous sampling is like taking a series of still pictures. Here, you will make this comparison specifically by videotaping and photographing the same animal at the same time and comparing the results.
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