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Using this electric memory drum the stimulus words are presented in four different speeds automatically
501-TR-(1 Set includes 1 electrical memory drum (stepper motor), variable speed and manual)
Not that bad
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This instrument is very useful in conducting memory experiments wherein the list words pasted on the rotating drum and the list of words can be presented to the subject by operating the lever the stimulus is exposed through a camera slit in a controlled speed of exposure.
1. Memory for Completed and Interrupted tasks (English): Incomplete tasks are more often remembered than the completed tasks. This is called Zeigarnik effect. This can be studied by using this test material. The test material consists of 10 different simple tasks such as counting the printed cubes, multiplication problems, reading a poem, pattern drawing, simple addition, letter-digit substitution etc. Other ten different simple tasks are also provided. Out of these twenty tasks ten tasks are allowed to be completed by the subject and other ten will be stopped before the completion. The memory for the completed tasks and incomplete tasks are estimated.
This memory test is developed on 13 to 18 year age.
Recently learnt material will inhibits past learning in the process of remembering. This effect of inhibition is called as retroactive inhibition (RAI). RAI can be measured through using these list r words presented to the subject in different trials and the effect is studied test material.