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Sample sizes

sample size

The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups.


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Re:

... brains have shown that the brains of different races are of different sizes. The Worldwide Pattern of IQ Scores. East Asians average higher on ... that Asians scored 6 points ahead due to their lower and unrepresented sample of selected subjects and higher visuospatial intelligence, but very ...

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by Seth90210
Wed Feb 25, 2015 2:37 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 332944

Brain size=IQ level theory (Blacks vs Whites & Asians)

... brains have shown that the brains of different races are of different sizes. The Worldwide Pattern of IQ Scores. East Asians average higher on ... that Asians scored 6 points ahead due to their lower and unrepresented sample of selected subjects and higher visuospatial intelligence, but very ...

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by CandyTon
Sat Feb 07, 2015 3:24 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 332944

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... body size, age of death, nutritional state in early life, source of the sample, occupational group, cause of death, lapse of time after death, temperature ... Let's also take cognizance of the fact that brain sizes might indeed vary racially in the same way that average skin coloring ...

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by Seth90210
Sat Oct 26, 2013 7:38 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 332944

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... in mammals generally. Let's also take cognizance of the fact that brain sizes might indeed vary racially in the same way that average skin coloring ... study. I think that Lynn took them as they came, in a true random sample, and that the findings that resulted have displeased those who think ...

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by DavidSims
Sat Oct 12, 2013 3:04 pm
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 75
Views: 332944

isolation of plasmid (Midi prep)

... with restriction reaction (verify if your enzymes work on different sample) 3-there is a methylation of restriction site that blocks it for restriction ... looks like? How many bands can you see in each line and what are their sizes? How big the desired band should be?

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by triton
Mon Aug 27, 2012 4:46 pm
 
Forum: Molecular Biology
Topic: isolation of plasmid (Midi prep)
Replies: 3
Views: 6123
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