born in Berlin, Germany, in 1886 1903-1908, studied philosophy and psy. at the Uni.of Edinburgh in Scotland and Uni. of Berlin. 1910, went to work as assistants to Friedrich Schumann at the Psychological Institute in Frankfurt 1924, went to America and worked in Connel Uni., Wisconsin Uni. And Smith College till his death. Koffka introduced it to the United States and systematized Gestalt psychology into a coherent body of theories

The educator’s job is not increase motivation per se(本身）but to discover, initiate, and sustain student’s motivation to learn, and to engage in activities that lead to learning

（1) Carbon’s ability to form as many as four strong bonds to other carbon atoms and to form strong bonds to hydrogen, oxygen, sulfur, nitrogen and phosphorous. （2) Carbon can make the vast number of different molecules Required for complex living organisms

You have isolated cells from an alien organism called Sacul Sinned ed. You want to know if these cells contain proteins that are similar to the cyclins found in eukaryotic cells. To this end, you

If You Don’t Define the Project, the Project Will Define You One of the first and toughest questions researchers must answer to foster success in the lab is: What do I have to accom￾plish? This requires you to understand your purpose to the

Philosophy has had from its earliest days two different objects which were believed to be closely interrelated. On the one hand, it aimed at a theoretical understanding of the structure of the world; on the other hand, it tried to discover and inculcate the best possible way of life. From Heraclitus to Hege1, or even to Marx

Let A and B be sets. A function f from A to B is an assignment of exactly one element of B to each element of A. We write f(a) = b if b is the unique element of B assigned by the function f to the element a of A. If f is a function from A to B, we write f : A→B

Introduction The objective of this chapter is to discuss how price is determined in Keynesian analysis. Some textbooks would like to refer the analysis in this chapter as the medium analysis in contrast to short run analysis. This is because in the short run the price is assumed to be fixed, and therefore nothing we can say about the price determination

Many intracellular proteins are required to interact or bind to other macromolecules within a bind DNA. Such proteins often have conserved structural features, called motifs, whis at can cell in order to function properly. One class of such proteins is comprised of proteins tha interact with DNA. One such motif consists of two closely aligned a-helices(shown as cylinders below)that each have leucine-rich regions. This motif is referred to as a leucine

Random walks 1 Random walks a drunkard stumbles out of a bar staggers one step to the right, with a canal lies y steps to his right. Thi I equal p second, he either staggers one step to the left or probability. His home lies r steps to his left, and everal natural questions, including 1. What is the probability that the drunkard arrives safely at home instead of falling into the canal? 2. What is the expected duration of his journey however it ends? The drunkard's meandering path is called a random walk. Random walks are an im- portant subject, because they can model such a wide array of phenomena. For example