Unit 13 Searching the Internet & Safety Living Online Unit 13 Searching the Internet & Safety

Searching a Web Site Some sites have search on them Searches that web site

Searching a Web Page What keyboard shortcut allows you to find a word in a Word document? CTRL-F Use the same for a web page

Search Engines Have databases of sites & keywords Each generates a list of results Web spider or crawler Results may vary between engines Go to yahoo.com & search for great wall of china Notice 1st result How many total hits? Go to google.com & do same search Different result for #1

Searching All Engines Go to www.dogpile.com Go to www.yahoo.com Low carb diets Tells where it searched & found on Go to www.yahoo.com Great wall of china Go to www.google.com Cruises (what’s # of results) Cruises Alaska OR Mexico (what’s #?)

Narrowing Your Search Quotation Marks Yellow tuna would find matches w/ either word or both “Yellow Tuna” would look for that phrase

Boolean Searching AND, OR, NOT You may not need these anymore Recipes AND Chicken AND Spaghetti All terms in a document NBA OR Basketball Include one or the other Tennis AND NOT Wimbledon Excludes the 2nd term from the document

+ & - Searching Include/Exclude

Using Advanced Search

Evaluating Web Sites-View this site Accuracy of Info Cite sources? Facts? Relevant links/source list Spelling/grammar/error free Authority Credentials; who is responsible for site? Way to contact them Bias Towards one point of view Current Info Is it up to date, current Design Well organized or cluttered?

Evaluating Web Sites-View this site Relevance & Reliability Does it fit your research? Is it accurate? Up to date? Does it come from a trusted source? Page Layout/Design Is site organized? Spelling/grammar correct? Info might not be reliable Validity & Bias Are they trying to sell you something? Change your opinion? Check other sources to see if it’s valid info Authority Author’s credentials Can you contact/email them? Evaluate the Quality Of the Information

Let’s Evaluate Lasik at Home Pop! Water Clones R Us Online Pregnancy Test Save the Guinea Worm Petrol Direct

Intellectual Property Laws Copyright Doesn’t have to be displayed or registered Must give credit Public Domain Available for public use No credit needed Plagiarism Claiming someone else’s words

Your Web Page Once you post something of your own, it is copyrighted Be careful what you post Libel Written word/picture that gives someone a negative image Slander Spoken word that gives someone a negative image

Injuries Repetitive Strain Injury (RSI) Repeated motions of joints Game players, constant users Take breaks, stretch Use ergonomic furniture Eye strain (lighting, breaks)

Questions What is e-commerce? Shopping online What does the cashier do with your food at Shop Rite? Scan it with optical laser When you go to the ATM, what does the machine read on your card? Magnetic strip What do you call people who work from home? telecommuting

Questions What domain would each site MOST LIKELY have? Girl Scouts Sears Rowan University U.S. Marines

Unit 13 Searching the Internet & Safety Living Online Unit 13 Searching the Internet & Safety