Why Study Recreation And Leisure
According to Paul Saettler, 2004, Educational technology may be traced back to the time when tribal priests systematized our bodies of knowledge and historical cultures invented pictographs or sign writing to file and transmit information. Ancient tools conserved in different museums, cave paintings like Altamira Cave in Spain, and other prehistoric art, such because the Venus of Willendorf, Mother Goddess from Laussel, France and many others. are some of the evidences in favour of their cultures. The mother also deposits a few pheromones in the nest. Pheromones have been used as a type of communications between animals since the beginning of time itself. Scientists have estimated that there are 2000T cubic meter coal-bed gases in the planet. They can’t be repeated or replicated elsewhere and at different times even when they are carried out with the SAME topics (who are no longer the same owing to the consequences of their participation). There is no written evidence which can tell us precisely who has coined the phrase educational technology. In the beginning of the nineteenth century, there were noteworthy modifications in the sphere of education. British Broadcasting Corporation (BBC), proper from its begin of faculty broadcasts in 1920 had maintained rapid pace in making sound contribution to formal education.
In the USA, by 1952, 20 states had the supply for educational broadcasting. The invention of programmed learning and programmed instruction provided a new dimension to educational technol