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Single-blind method

single-blind method

A method in which either the observer(s) or the subject(s) is kept ignorant of the group to which the subjects are assigned.

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Re: Re:

... in the blood tend to stand up in the tests. With the skin-prick method I'd say applying 70% ethanol carefully around the puncture site may ... know which photos are from which slides - they could all be from a single slide for all i know, though I'd have thought my vet friend would ...

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by snowathlete
Fri Dec 13, 2013 2:08 pm
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 9417

Problems making chemically competent cells

... is cold. Any help here would be appreciated. I've pasted the exact method I use below this: • Pre-chill a flask on ice for the chilling step ... eppendorf rack in the -80) 1. Make a 5ml pre-culture overnight from a single colony, in SOC medium 2. The next day, inoculate 100ml pre-warmed ...

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by lilruthc
Fri Feb 08, 2013 1:09 pm
Forum: Molecular Biology
Topic: Problems making chemically competent cells
Replies: 1
Views: 2567

Re: Markerless mutants using suicide vector

... than other gram-negative bacteria. We had been able to generate a single mutant using this method before, but we're having trouble deleting a gene within the same region (operon), and ...

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by dhkwak1
Wed Dec 19, 2012 1:04 am
Forum: Genetics
Topic: Markerless mutants using suicide vector
Replies: 2
Views: 2690

Simpson's Diversity Index and Single Individuals

Hello, I'm trying to calculate the Simpson's Diversity Index (D), which I then convert to the reciprocal (1-D). I'm using the method described in "Measuring Biological Diversity" by Anne Magurran. The problem is that many of my samples have only one individual of each species ...

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by ac2012
Wed Sep 05, 2012 12:04 pm
Forum: Ecology
Topic: Simpson's Diversity Index and Single Individuals
Replies: 2
Views: 3877

Does an advanced algo of aggregation and ranking interesting

... CFAR-m features Aggregation is a way to combine several single indicators representing different components (dimensions) of the same ... effect on the result. However, there is no universally agreed methodology and the arbitrary nature of the weighting process by which components ...

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by remimollicone
Fri Aug 10, 2012 6:36 am
Forum: Genetics
Topic: Does an advanced algo of aggregation and ranking interesting
Replies: 0
Views: 2632
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