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1. www.simplypsychology.org › p-valueUnderstanding P-Values and Statistical Significance

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   Oct 13, 2023 · A p-value, or probability value, is a number describing how likely it is that your data would have occurred by random chance (i.e., that the null hypothesis is true). The level of statistical significance is often expressed as a p-value between 0 and 1.

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3. open.maricopa.edu › chapter › chapter-7-probabilityChapter 7: Probability – Introduction to Statistics for ...

   open.maricopa.edu › chapter › chapter-7-probability

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   To calculate the probability of an event, which here is defined as rolling a 1 on an unbiased die, we need to know two things: how many outcomes satisfy the criteria of our event (stated different, how many outcomes would count as what we are looking for) and the total number of outcomes possible.

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4. www.tutor2u.net › psychology › topicsProbability and Significance | Topics | Psychology - tutor2u

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   Probability refers to the likelihood of an event occurring. It can be expressed as a number (0.5) or a percentage (50%). Statistical tests allow psychologists to work out the probability that their results could have occurred by chance, and in general psychologists use a probability level of 0.05.

5. psychscenehub.com › psychbytes › odds-ratio-2What is an Odds Ratio and How do I Interpret It? - Critical ...

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   Sep 3, 2016 · Odds Ratio (OR) is a measure of association between exposure and an outcome. The OR represents the odds that an outcome will occur given a particular exposure, compared to the odds of the outcome occurring in the absence of that exposure. Important points about Odds ratio: Calculated in case-control studies as the incidence of outcome is not known.

6. link.springer.com › referenceworkentry › 10Odds Ratio - SpringerLink

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   Sep 11, 2020 · Definition. The odds ratio is a statistical measurement that helps to understand the comparison of the combined effect of the parameter of each group into a single parameter scale. It is frequently used in medical science and behavior science, especially in control studies cases.

7. www.biochemia-medica.com › en › journalThe odds ratio: calculation, usage and interpretation

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   The odds ratio is used when one of two possible events or outcomes are measured, and there is a supposed causative factor. The odds ratio is a versatile and robust statistic. For example, it can calculate the odds of an event happening given a particular treatment intervention (1).

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   When is odds ratio used?

   • The odds ratio is used when one of two possible events or outcomes are measured, and there is a supposed causative factor. The odds ratio is a versatile and robust statistic. For example, it can calculate the odds of an event happening given a particular treatment intervention (1).

   The odds ratio: calculation, usage and interpretation

   www.biochemia-medica.com/en/journal/19/2/10.11613/BM.2009.011/fullArticle

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   What is the difference between probability and odds?

   • Probability ranges between zero and one while odds are positive numbers ranging between zero and infinity. To understand the differences between probability and odds, consider the following simple example: Let us say that the probability of success of any event happening is 0.8, then the probability of failure of event happening is 0.2.

   Odds Ratio | SpringerLink

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   What is the probability that an event happens?

   • To summarize, the probability that an event happens is the number of outcomes that qualify as that event (i.e. the number of ways the event could happen) compared to the total number of outcomes (i.e. how many things are possible).

   Chapter 7: Probability – Introduction to Statistics for Psychology

   open.maricopa.edu/psy230mm/chapter/chapter-7-probability/

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   Are odds the same or different?

   • It can be easily evaluated whether the odds are the same or different (Szumilas 2010 ). Odds ratio measures the odds (events) in the presence of exposure to the odds (events) in the absence of the exposure (Martinez et al. 2017 ).

   Odds Ratio | SpringerLink

   link.springer.com/referenceworkentry/10.1007/978-3-319-47829-6_185-1

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   How do you calculate the probability of an event?

   • To calculate the probability of an event, which here is defined as rolling a 1 on an unbiased die, we need to know two things: how many outcomes satisfy the criteria of our event (stated different, how many outcomes would count as what we are looking for) and the total number of outcomes possible.

   Chapter 7: Probability – Introduction to Statistics for Psychology

   open.maricopa.edu/psy230mm/chapter/chapter-7-probability/

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   What is a clinical odds ratio?

   • Clinically, that often means that the researcher measures the ratio of the odds of a disease occurring or a death from a specific injury or illness happening to the odds of the disease or death not occurring. The odds ratio is used when one of two possible events or outcomes are measured, and there is a supposed causative factor.

   The odds ratio: calculation, usage and interpretation

   www.biochemia-medica.com/en/journal/19/2/10.11613/BM.2009.011/fullArticle

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9. umsystem.pressbooks.pub › isps › chapterChapter 5: Probability – Introduction to Statistics in the ...

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   To calculate the probability of an event, which here is defined as rolling a 1 on an unbiased die, we need to know two things: how many outcomes satisfy the criteria of our event (stated differently, how many outcomes would count as what we are looking for) and the total number of outcomes possible.