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There were , however , severe logistical problems with introducing such a teaching system , in terms of the availability of hard and soft ware , teaching hours and teaching staff . Naturally , there were mishaps with some students finding it difficult to make contact with the partners , while other students arrived to discover that the partner had decided with withdraw from the project at the last minute ! The didactic model followed in the course is a combination of embedded learning , collaborative learning , and discovery learning . As in , make sure you show up at the polls on Tuesday , November 7 , not some other day — no matter which party you're voting for. Origins : This bit of election humor from 2004 combines a couple of elements we've seen before : the concept of driving with headlights on during the daytime to express solidarity with a group , and the partisan humor of suggesting that adherents of different parties engage in similar activities that ( if implemented ) would work to the detriment of one side . One of the main challenges for the course development was therefore to cover the principles of GIS as well as the specific topics and problems in hydrology and water resources . As part of the main push during major combat , our battalion was scattered all over the battlefield . " Independently verifying whether some informal conversations which took place at an indeterminate time in the past , possibly several years ago , are accurate as reported is a rather difficult task . For many of the students this turned out to be one of the most difficult and expensive aspects of the project . The main goal of the checking part of the questionnaire was to get insight into the topics the students have learned during the course . Currently the main ongoing actions are to structure and divulge this knowledge , to fill the gaps ( on precision , error , decision making , ... As Kerry 's manager promised , Senator Kerry appeared for the Sunday sermon and seated himself prominently at the edge of the main aisle . As all the students but one , rely on public transport , meant that getting to such peripheral locations turned out to be difficult , expensive and time consuming ( see table 1 ) .