Explore BrainMass

Hypothesis & Null Hypothesis

Hope you can help me to understand and do this assignment. Thanks much.

How does hypothesis testing contribute to the scientific knowledge base? What is one example of a null hypothesis statement?

© BrainMass Inc. brainmass.com July 22, 2018, 5:06 am ad1c9bdddf

Solution Preview

Dear Student,
Hello. If my answers have been a little late please excuse me. I was just in a recent accident and am recovering. Good luck & thank you for using Brainmass.

OTA 105878/Xenia Jones

A hypothesis is a proposed explanation, an opinion that positions itself to be a probable 'truth' about a particular phenomenon. The thing about a hypothesis is that it is yet to be proven even if said hypothesis is based on expert opinion and validated experience and observation. It is a supposition, a hunch towards the origins, causes, effects and nature of an observable phenomenon. Every theory starts in the form of a particular hypothesis and dependent of the test, research and experiment conducted to disprove or prove the hypothesis, the theory-outcome either changes or remains. Working hypothesis is important in scientific research. When certain phenomenon are observed without explanation or cause being that there is yet no available scientific theory to explain it, a ...

Solution Summary

The solution is a 607 word essay that explains the importance of hypothesis testing in scientific tests/ knowledge exploration. Null hypothesis is also explained. References are listed to provide room for further research. A word version of the solution is attached for easy printing.