![]() In addition, the ease of electronic communications between an instructor and students, and among students, provides new opportunities for sharing questions, answers, and discussions during a course. The tremendous increases in rates of information transfer, access to the Internet, and posting of materials on the World Wide Web give instructors and students an almost limitless supply of resource material. The speed of personal computers and the ease of authoring systems permit instructors to design and customize computer-based audiovisual presentations and to develop computer-based assignments for their students. There are many pressures for educators to match the audiovisual stimuli of television, computers, and electronic games with which students are experienced. ![]() How can I help my students use textbooks more effectively?Ī key feature of effective teaching is the selection of instructional materials that meet the needs of students and fit the constraints of the teaching and learning environment. How can I use electronic resources to enhance student learning? What issues should I consider when selecting instructional materials? If you want to search for a string with an asterisk or another special character, try using Google’s Code Search Engine.Choosing and Using Instructional Resources The query finds documents that contain “bicycl.” Google automatically provides stemming. Google ignores asterisks (*) that are not surrounded by spaces. For example, on some search engines the query bicycl* will return results that match words including bicycle, bicycles, bicycling, bicycled, and bicyclists. Note: Stemming is a technique to search on the stem or root of a word that can have multiple endings. In those languages it is typically used for selecting multiple files and directories. Google chose the symbol * to match one or more words because in some computer systems, such as Unix, Linux, and DOS, * stands for one or more unspecified characters. Note: You can get around Google’s 32-word limit on the number of words in your query by substituting an * in place of each stop word or common word in your query. If you’re interested in running proximity searches, try out GAPS, a third-party search tool available at. If you want to search for two terms separated by no more than two words, i.e., a proximity search, you’ll need six queries. To search for “Francis” adjacent or separated one word from “Coppola,” requires four queries: ![]() Proximity searching can be useful when you want to find pages that include someone’s name in any of the following orders: first middle last, last first middle, first last, last first. Find the title of Sherry Russell’s book that can help you deal with the tragedies of 9/11 or losing a loved one. When you know only part of the phrase you wish to find, consider using the * operator. If you know there’s a date on the page you’re seeking but you don’t know its format, specify several common formats using the OR operator. For example, tells Google to find pages containing a phrase that starts with “Google” followed by one or more words, followed by “my life.” Phrases that fit the bill include: “Google changed my life,” “Google runs my life,” and “Google is my life.” Google treats the * as a placeholder for a word or more than one word. ![]() ![]() Use *, an asterisk character, known as a wildcard, to match one or more words in a phrase (enclosed in quotes).Įach * represents just one or more words. ![]()
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