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How to write a Hypothesis

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manju gurung

on 19 September 2013

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Transcript of How to write a Hypothesis

Step 2
Define, what is the function/purpose of the hypothesis.

Step 3
types of hypothesis with examples (use the same topic for each)
Step 4
what is a null hypothesis
Step 5
How is a hypothesis not a theory?

A Hypothesis is a statement or an educated guess. For example, many scientists do experiments based on observation to formulate a hypothesis. "Hypothesis is: If I do this then this will happen.”

If one drinks Many cups of coffee a day it may affect the teeth(stain). Plant growth may be affected by the color of the light. Bacterial growth may be affected by ambient temperature.
Exposure to the sun may cause skin cancer. Temperature may cause leaves to change color
A hypothesis is a tentative statement about the relationship between more then one variable. A hypothesis is a specific prediction that is testable, about what you expect to happen in your scientific method . For example, a study designed to look at the relationship between sleep deprivation and test performance might have a hypothesis that states, This study could be used to check the hypothesis that sleep deprived people will perform worse on a test than individuals who have had sleep.

Step 1
Manju's presentation
about how to write
Manju's prezi presentation
about how to write a Hypothesis

A hypothesis is a way of explain phenomena.
Again, It is an idea or guess used to present scientific method. A theory is the outcome of testing a hypothesis and develops an explanation that is taken to be true about development. A theory replaces the hypothesis, so they are two different things. A person might make an observation and immediately form a hypothesis about why something happens the way it does. He or she then tests the hypothesis and eventually develops a theory. A hypothesis can be right or wrong..
In fact, the null hypothesis is the proposition that implies no effect or no relationship between measured phenomena. The null hypothesis is popular because it can be tested and found to be false, which then implies there is a relationship between the observed data.
About.com and google.

"Raising the temperature of a cup of water [temperature is the independent variable] will increase the amount of sugar that dissolves [the amount of sugar is the dependent variable]."
"If a plant receives fertilizer [having fertilizer is the independent variable], then it will grow to be bigger than a plant that does not receive fertilizer [plant size is the dependent variable]."
"If I put fenders on a bicycle [having fenders is the independent variable], then they will keep the rider dry
when riding through puddles [the dependent variable is how much water splashes on the rider]."
by, Dr. Bruce Weaver.
"If I open the faucet [faucet opening size is the independent variable], then it will increase the flow of water [flow of water is the dependent variable].

The Null hypothesis is scientific way of exploring proposition. A speculate statement is made that can determent true/false and its first highly speculative.
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