Identifying Dependent and Independent Variables Instructions: For each of the following research designs‚ identify the dependent and independent variables. 1. To investigate the effects of exercise on mathematical problem-solving ability‚ a researcher assigned subjects to one of two groups. One group did 50 jumping jacks and the other group did 200. After exercising‚ both groups did a set of math problems. 2. A researcher hypothesized that talking to plants enhances their growth. To test her hypothesis
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Controlled Assessment ISA (PU 2.5) Light Dependent Resistors (Section 1) 1. Write down your hypothesis. Explain why you made this hypothesis. Hypothesis: When it is day there is more light hitting the LDR and so its resistance decreases and the light turns off. When it is night there is less light so the LDR has higher resistance and the light turns on. Explanation: When light shines on a Light Dependent Resistor‚ electrons are released and the current can get larger. So as the light intensity increases
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some people become carers? Discuss this question‚ identifying at least two factors which influence who takes on a caring role. Some people voluntarily devote a large part of their lives looking after others who need help because of an illness‚ frailty or disability. Research studies show that it is estimated that there are 5.7 million carers in Great Britain (unit 3‚ p. 141). Duty‚ obligation‚ societal and cultural influences or unexpected events are all motivators why some people become carers
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Is technology a good or bad thing to have? Tech has helped people throughout history by developing tools used to make lives easier ‚ but it has also made some lives harder. It is good to live in a tech filled world because keeping in touch with friends and relatives has become easier‚ work has become easier to manage‚ and people are living longer. Keeping in touch with friends and relatives is a lot easier thanks to technology. There are now faster and more reliable ways to talk or message someone
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the use of technology and the Internet‚ it has made our lives a bit easier. Cell phones and the Internet are by far the most influential. Paying bills‚ for example‚ has become easier and convenient because with a simple click of a mouse your bill can be paid. And still even better than that‚ with the invention of the new Iphone‚ you can now pay your bills from your phone. Having these new inventions we no longer have to waste time or gas on having to pay our bills. Also research has become much faster
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Discuss the impact nanotechnology will have on modern society. Zachary Lloyd Nanotechnology is defined as the branch of science that deals with the development of functional systems at a molecular scale and involves the manipulation of individual atoms and molecules (Responsible Nanotechnology‚ 2002; United States Nanotechnology Inititaive‚ 2014; Dictionary.com‚ 2014). According to James B. Lewis Enterprises (1986)‚ Fanfair‚ Desai and Kelty (2007)‚ the idea of nanotechnology was first brought
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We Too Dependent On Our Mobiles? In the media today‚ we all hear a great deal about the perils of modern technology. We now can be addicted to the Internet‚ Facebook and Twitter‚ not to mention the already existent perils like television‚ alcohol and drugs. What isn’t often mentioned is our addiction to cell phones. Maybe nobody talks about it because‚ unlike Twitter and Facebook‚ cell phones are such useful tools for everything from friendship to business. Cell phones have not only become a method
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HUMANITIES - OPINION PIECE Have the Anzac commemorations become too commercialised? Before venturing into an answer‚ it’s important to understand the question. What does ‘commercialised’ really mean? The Free Dictionary describes commercialised as “organised principally for financial gain.” It does not mention popularity‚ a broadened reach into mainstream consciousness or increased awareness of what something is. However‚ these very things may occur if something organised for the purpose of financial
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relationships has been said to have changed. Some sociologists support this view‚ whereas some disagree. These theories have developed from factors such as the domestic division of labour and the impact of paid work etc. To start off with‚ the domestic division of labour refers to the roles that men and women play in relation to housework‚ paid work and child care. Talcott Parsons (1995) came up with the theory of the two role names‚ the instrumental and expressive role. The men have the instrumental role;
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The Person I Have Become “To one who has faith‚ no explanation is necessary. To one without faith‚ no explanation is possible.” “A man who works with his hands is a laborer; a man who works with his hands and his mind is a craftsman; but a man who works with his hands and his brain and his heart is an artist.” ~St. Thomas Aquinas To summarize St. Thomas Aquinas is saying that when you believe in something you do not need validation‚ but without faith nothing can validate your life‚ emotions and experiences
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