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Found 4 results

  1. heya! I thought of doing my IA on the effect of caffeine on plant growth. Is this topic good enough? Any other suggestions anybody?
  2. Heyy. Just wondering if theres any restrictions on testing the effect of caffeine on heart rate?? (Idk if there is a drug use policy in the IB??) Thanks
  3. I am having a hard time figuring out what statistics test to use for my Math SL IA. I am exploring whether or not caffeine has an effect on athletic agility. I have a control group, a placebo, and the real caffeine supplement. There are 5 subjects who will each perform three tests, three times. I figured I would average each trial for each test to have a better sample but I am having a lot of trouble on what statistics to run. Please help. I am in dire need.
  4. Hey guys So Ive kinda sorta decided on my EE topic. RQ- identifying the effect of caffeine on the growth rate of gut bacteria like lactobacillus.acidophilus and lactobacillus._____" (havent decided which species to take rn) Is this too simple for an EE? Will this take 40 hours? I know i can pull off some graphs/tables but is this too generic? And also, will it stretch out to 4000 words? Thanks