Example of a p-value computation. The vertical coordinate is the probability density of each outcome, computed under the null hypothesis. The p-value is the area under the curve past the observed data point.

Bera case studies in educational research. In addition to studies linking fluoride to reduced IQ in humans, and impaired learning/memory in animals, human and animal studies have also linked

Example of a p-value computation. The vertical coordinate is the probability density of each outcome, computed under the null hypothesis. The p-value is the area under the curve past the observed data point.

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Understanding the p-value - Statistics Help

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Understanding the p-value - Statistics Help

This video explains how to use the p-value to draw conclusions from statistical output.

p-value - Wikipedia, the free encyclopedia

Statistics - Wikipedia, the free encyclopedia

Statistics: P values are just the tip of the iceberg : Nature News & Comment

Ridding science of shoddy statistics will require scrutiny of every step, not merely the last one, say Jeffrey T. Leek and Roger D.

Inflating the Type I error rate

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Throwback Thursday: The Science Of The Cosmic Microwave Background — Starts With A Bang!

Place value expanded form differentiated worksheets

Place value in first grade: expanded form worksheets and a ton of other place value activities and resources

GraphPad Calculators - very helpful! --------Categorical data (Chi square, etc.) -- Continuous data (Descriptive statistics, CI of mean/difference/ratio/SD, etc.) -- Statistical distributions and interpreting P values (Calculate P from t, z, r, F or chi-square, or vice-versa. Correct a P value for multiple comparisons and Bayes. And more) -- Random numbers -- Chemical and radiochemical data (Create and convert molar solutions, convert moles & grams, radioactivity calculations)

FAQ 1080 - What is difference between Type I, Type II, and Type III errors? And what is a Type 0 error?

Scientific method: Statistical errors : Nature News & Comment

Scientific method: Statistical errors

Nature: Scientific Method - Statistical Errors: P values, the 'gold standard' of statistical validity, are not as reliable as many scientists assume.

If all else fails, use "significant at a p>0.05 level" and hope no one notices. // This concept totally went over my head in my research stats class.

If all else fails, use "significant at a level" and hope no one notices. // This concept totally went over my head in my research stats class.

Hypothesis tests, p-value - Statistics Help (I know we haven't gotten to this quite yet, but whatever)

This entertaining video works step-by-step through a hypothesis test. Helen wishes to know whether giving away free stickers will increase her chocolate sale.

Nature: Statisticians issue warning over misuse of P values. Policy statement aims to halt missteps in the quest for certainty.

Nature: Statisticians issue warning over misuse of P values. Policy statement aims to halt missteps in the quest for certainty.

Scientific method: Statistical errors : Nature News & Comment

Scientific method: Statistical errors

Scientific method: Statistical errors - P values, the 'gold standard' of statistical validity, are not as reliable as many scientists assume.

Psychology journal bans P values : Nature News & Comment

Test for reliability of results ‘too easy to pass’, say editors.

Statisticians issue warning over misuse of P values

Statisticians issue warning over misuse of P values - Policy statement aims to halt missteps in the quest for certainty.

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