My understanding is that the double refers to both the patient and the doctor not knowing whether they received a placebo or whatever they are testing.
I couldn't tell you what bias they are looking to control, but I'm not a doctor. I accept that doctors and researchers probably know what they are doing, and that they are almost certainly more qualified than I am.
Target $18.72, page-7192
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Last
$7.10 |
Change
-0.550(7.19%) |
Mkt cap ! $5.939B | |||
| Open | High | Low | Value | Volume |
| $7.39 | $7.41 | $7.03 | $98.40M | 13.68M |
Buyers (Bids)
| No. | Vol. | Price($) |
|---|---|---|
| 3 | 32869 | $7.10 |
Sellers (Offers)
| Price($) | Vol. | No. |
|---|---|---|
| $7.12 | 82886 | 2 |
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| Last trade - 16.10pm 23/08/2024 (20 minute delay) ? |
| WHC (ASX) Chart |