Which one is correct?
"effective" or "accurate"?

Some examples from the web:

• Efficient interconnection requires effective cooperation between energy regulators.
• Pert is an effective shampoo and an intermittently painful lubricant.
• September 11 made the Universal definitely present, effective, wirklich.
• This relatively high distribution volume indicates an effective tissue and fluid penetration.
• And you proved effective, so...
• Blades are simple, untraceable and effective.
• Tea leaves have been effective in improving circulation...
• Role-playing can be an effective technique.
• Nowadays there are cures that have proven effective.
• Antibiotic therapy and fluid replacement are effective.
• Economic sanctions are relatively easy to implement and historically effective.
• The purge was almost 100 percent effective.
• Precisely why she made an effective killer.
• Behavioral therapy is beneficial when simpler measures are not effective.
• Antibiotics may be equally effective in certain cases of non-ruptured appendicitis.
• Chemotherapy is very effective for TVTs.
• Inspector Dillon accepted your credentials because you are effective.
• Prolonged antibiotic treatment is usually effective.
• A meta-analysis found that psychological therapy is effective in reducing self-harm.
• Global address space: Very effective and inexpensive IPC.

Some examples from the web:

• I think my portrayal is generally fairly accurate.
• Following his accurate statement of happenings.
• Sorry my locator spell wasn't more accurate.
• Fast, accurate and safe machine setting.
• Therefore his depiction of this area may be fairly accurate.
• In truth, both sides make accurate arguments.
• Reading should be accurate within 2 meters.
• DMV pictures aren't necessarily recent or accurate.
• Too messy for an accurate reconstruction.
• I'm usually pretty accurate with these things.
• Our intelligence reports are 100% accurate.
• Our tests are extremely accurate in predicting due dates.
• My approximation of Samantha Groves is 99.6% accurate.
• The blueprints we acquired were accurate.
• Tolerates is a more accurate description.
• Our assailant's form was historically accurate.
• Hope Hodgins' map is accurate.
• Gentle LED light and on-screen indicators ensure accurate results.
• Hence, their symptoms are permanently evaded with accurate genomic modifications.
• Excellent lighting conditions facilitate accurate diagnoses and perfect treatment results.