Dictionary » C » Control variables

Control variables

(noun) Plural form of control variable.

See control variable for definition and additional information.


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

... Studies In addition to prenatal environment, the studies also fail to control for social environment. https://en.wikipedia.org/wiki/Minnesota_Transracial_Adoption_Study#Results ... be due to the decline with age in the effect of "pre-adoption variables". According to the Wikipedia article, ...

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by wildfunguy
Thu Jul 31, 2014 10:29 pm
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 258719

Practical Examination (AS)

... need to use a microsope as you would be measuring the rate of enzyme-controlled reactions so probably either measuring how fast a product of a ... you make it more reliable (repeat it) why you need a control which variables are independent/dependent. i did do this exam 3 years ago so it ...

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by marineman
Tue Apr 16, 2013 12:49 pm
 
Forum: General Discussion
Topic: Practical Examination (AS)
Replies: 4
Views: 5914

How to create a science project about acne?

... you find 10 volunteers who have acne. Five experimental and five control. Use placebo on the control group. Have them volunteer to not use ... face every day, etc. The questions need to deal with the uncontrollable variables to give you an indication of what other experiments could support ...

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by tmbirkhead
Sun Sep 23, 2012 5:25 am
 
Forum: Human Biology
Topic: How to create a science project about acne?
Replies: 2
Views: 3700

Re:

... by “naturally occurring” negative ions? 5. Lemons would be a positive control – what about a negative one? :) Also, the relevant ion for your blood ... now that I understand what you mean. Your experiment involves two variables, though – the person’s claimed ability and whether they are put ...

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by JoshuaFlynn
Thu May 31, 2012 1:18 pm
 
Forum: Human Biology
Topic: Electromagnetic fields generated by the human body
Replies: 40
Views: 158655

Electromagnetic fields generated by the human body

... by “naturally occurring” negative ions? 5. Lemons would be a positive control – what about a negative one? :) Also, the relevant ion for your blood ... now that I understand what you mean. Your experiment involves two variables, though – the person’s claimed ability and whether they are put ...

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by AstraSequi
Mon May 28, 2012 1:32 pm
 
Forum: Human Biology
Topic: Electromagnetic fields generated by the human body
Replies: 40
Views: 158655
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