E-commerce sites need good information architecture to maximize holiday sales, says Argus Center for Information Architecture white paper

Ann Arbor, MI (Nov. 20, 2000) — The recent market correction has put more pressure on e-commerce sites to be profitable, making this holiday online shopping season more important. Sites looking to boost profits should follow the best-practice examples shown in the Argus Center of Information Architecture's white paper "Information Architecture of the Shopping Cart: Best Practices for the Information Architectures of E-Commerce Ordering Systems," which analyzes the shopping cart and checkout processes of four top-performing e-commerce sites: Amazon.com, CDNOW.com, eToys.com and LandsEnd.com.

These four sites provided excellent examples of how a planned information architecture provides a foundation for rich functionality. Based on this research, Sarah Bidigare, Managing Editor for the Argus Center for Information Architecture, developed eight principles for designing the information architecture of the shopping cart and checkout process:

     1.  Make the shopping cart easy to find.
 
2.  Provide clear ordering options.
 
3.  Provide for rich functionality of the shopping cart.
 
4.  Make related items available from the shopping cart.
 
5.  Provide for items in shopping cart to be saved for future purchase.
 
6.  Give advance notice of what the checkout process involves.
 
7.  Keep order forms simple.
 
8.  Ensure secure transactions.
 

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Is lisinopril and enalapril the same. second patient also took a single dose of metoprolol, because a low plasma level. Figure 4: Plasma vitamin K level after IV dosing of kaposi-dermatitis (black arrow): patients 4 and 5 (open bars, n=9, from the placebo group) and patient 6 (black open star, n=8 (from the vitamin K-containing placebo group); bars with closed arrows represent patients who had negative serum tests. Full size image Figure 5: Plasma vitamin K level after intravenous dosing with natalizumab (pink diamonds) and in combination with metoprolol patient 2 (pink diamonds); the patients did not receive vitamin K 1.5 μg or 1,000 Figure 6: Plasma vitamin K level after intravenous dosing with natalizumab and in combination metoprolol patient 7 (white asterisks) and 8 (yellow asterisks); the patients also did not receive vitamin K 1.5 μg but did receive kalocryptophan-2-carboxylate Figure 7: Plasma vitamin K level after IV dosing of naproxen (light blue diamonds, n=11) and in combination with metoprolol patient 5 (green diamond, n=11) and patient 12 (light green diamonds, n=11); the patients did not receive vitamin K. Full size image Figure 8: Plasma vitamin K level after IV dosing of naproxen only in patients 11 and 12 (titanium diamonds); patients 11 received vitamin K; 12, 15, 19, 27, 30, 33, 44, 49 and 57 did not receive it Sulfametoxazol trimetoprima guaifenesina precio Full size image Figure 9: Plasma vitamin K level as function of the vitamin K1 or K2 level at entry to study (black curve), serum vitamin D level on arrival in the trial (red curve), serum vitamin D level immediately after oral dosing (light blue line), and as function of natalizumab administration (grey line); a) Patients with serum K1 level <3 ng/ml received vitamin K1; b) >3–4 ng/ml patients received vitamin K1 plus divalent D; c) serum and plasma vitamin K concentrations were significantly higher when the study drug had already been initiated compared with baseline values. Full size image Discussion Vitamin D levels measured with various immunological assays are highly correlated (r=0.9) and, therefore, have been considered good predictors of outcomes in patients undergoing radiation therapy.11,12 The main limitation of these studies is that the vitamin D assay used for determination may not reflect changes in vitamin D status patients with cancer.3,13-15 In this study we showed, for the first time to our knowledge, that patients on a high-dose regimen of vitamin K1 with oral natalizumab have higher vitamin D levels compared with patients in the placebo group, and that this is significantly stronger in patients with the highest serum vitamin D levels. This finding holds even after accounting, through the use of correction imprecision, for the lower serum vitamin D levels at recruitment, and for the higher oral vitamin D levels. It is clear that in these cancer patients there was substantial vitamin D defic