Journal of Applied Psychology 1973‚ Vol. 58‚ No. 1‚ 116-121 EFFECTS OF ITEM FORMAT ON ITEM DISCRIMINATION AND DIFFICULTY ARTHUR L. DUDYCHA 1 AND JAMES B. CARPENTER 2 Purdue University The tests and measurement literature is replete with multiple-choice item construction rules‚ most of which have little or no empirical verification. Item stem orientation (positive/negative)‚ structure (open/closed)‚ and the presence or absence of an inclusive alternative were systematically investigated
Premium Standard deviation Psychometrics Normal distribution
As I read this sentence to you‚ a child somewhere in this world will have died of hunger. A child. Children are the weakest of us‚ the ones who implicitly trust everyone‚ the ones whose innocence is genuine and appropriate and necessary--and they’re in the far corners of the world starving until their skin stretches across their bones and they don’t have the energy‚ the will‚ or the wherewithal to cry out anymore. You may think of them with a deep sympathy‚ or a gut-wrenching pang of guilt‚ or a
Premium Nutrition Obesity Food
intelligence of being good at controlling the body or doing something that requires staying fit and active. And lastly‚ logical or mathematical intelligence is the intelligence of logic‚ thinking‚ and problem solving. Now‚ lets have a look at some of the real world examples of these intelligences. A very good and precise real world example of verbal or linguistic intelligence is a writer. As we already know‚ verbal or linguistic intelligence is all about words and language‚ someone to have the verbal or linguistic
Premium Intelligence Psychology Learning
I think that the first thing that needs to be done to help combat world hunger is education. People in developed countries need to realize that hunger is a problem. As they always say‚ acceptance is the first step. However‚ this obviously won’t be fixing any problems. But I think first is to devise a way to limit our waste. We currently have so much food that is just thrown away. It’s inevitablethat not all food will be saved: some will be thrown away‚ but if we could utilize more of this food into
Premium Agriculture Food Sustainable agriculture
English Writings The Greatest Scientific Invention Of The 20th Century 5E Yuen Ho Ting In the 0th century‚ there were many inventions‚ such as televisions‚ flight machines‚ computers‚ etc. Among these inventions‚ some people think that the television is the greatest invention while some others may think the flight machine is the greatest. As for me‚ the computer the greatest scientific invention of the 0th century. Originally
Premium Universe Invention Vacuum tube
resource. According to the World Bank and World Health Organization‚ 2 billion people lack access to clean water and 1 billion people do not have enough to even meet their daily needs. Every day an increasing amount of pollution seeps into rivers and lakes making them toxic to humans‚ and underground aquifers – our most significant sources of water – are being depleted at an alarming rate. If current trends continue more and more useable water will be lost while the world population continues to grow
Free Global warming Earth Atmosphere
economics sometimes called "the study of scarcity and choice"? • What are trade-offs and opportunity costs? • Why should everyone understand basic economics? • What are the factors of production? • How do different economic systems solve the problem of scarcity? Scarcity One discovery you have made is that you can’t have everything! In fact‚ you probably are reminded of this every time you go shopping. You may see 20 or 30 items you would like‚ but you know you cannot afford to buy them
Premium Economics
1.0 INTRODUCTION This report is to address the real-life problem faced by The Body Shop and how the problem can be solved based on the functions of management. According to the information provided by The Body Shop website‚ The Body Shop has successfully created an image of being a caring company that is in helping to protect the third world workers and indigenous peoples. But behind the cuddly image lies the reality The Body Shop ’s operations‚ the Body Shop does not help the dilemma of the
Premium Management
innovation simply means the act of introducing something new. Without innovation society would never move forward and we would be stuck doing the same old things. Innovation drives today’s market place and it’s important for companies to constantly be thinking ahead and remaining current with the times. The agriculture industry has come a long ways over the years from having a horse and plow in the fields to using GPS systems to drive the tractors. Innovation has allowed for the agriculture industry
Premium Innovation Agriculture
to calculate the correct amount of each substance to obtain the desired result. Algebraic Concepts in Everyday Life The following are examples that I learned from the course discussion board of different ways that algebra can solve everyday life problems. ∙ To determine each person’s share of the cost for a limo ride‚ you would add a tip to the cost of the limo and divide by the number of riders. For example‚ if there were 10 kids riding in a limo and the cost of the limo was $600 (including a
Premium Depreciation Mathematics