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Found 824 results

  1. Hello guys, so I got a 5 (nearly a 6 as suggested by my teacher) in my HL English L&L for my Y1 final exam, but I am super worried cuz I need at least a solid 6 for English, since my other HLs are Economics and Chemistry which I am getting a 6 and a 5 respectively. I need a total HL points of 18, so I am aiming for a 6-7 in English, 6 in Economics and hopefully a 6 in Chemistry too. But for now, can anyone suggest how can I ace my internal assessments cuz I heard that for a 7 in English you need very strong IAs? We did one FOA already, I got a 6, any tips for getting a 7? (I am doing my next one on textual bias) My teacher hasn't really explained anything about the IOC, I have read 2 books and 3 poems for it by now, is there any time-efficient methods to jot notes and analyze these texts, so when I look back in January, I don't have to re-read everything. I am studying Lost Honour of Katharina Blum, Lamarie Project and Duffy Poems by the way. And lastly, does it matter if you submit WT1 or WT2? Thanks so much!!
  2. Heyy!! I really need help finding an Econ IA article for Macroeconomics on unemployment or interest rates!! Please help. Thanks
  3. Soon, I will have to produce my IA for business. I have chosen to study a foreign company, and because of that, I will have to give send them an e-mail to interview them. Their company has a relatively large following, so having a one-on-one interview to the Director is not really an option. I will have to give them (ideally) one email to ask them questions. I don't want to ask them useless questions that only waste their and my time (e.g. stuff that I can find easily in the internet, something too personal/unanswerable, etc.). So, what do you guys think are the most important questions to ask? What are other questions that may prove important, too? I can't tell you the specifics, but essentially, I am investigating the cause of why the directors (as well as other key members) of a company left and made their own company after being bought by a larger company. e.g. culture clash, etc. It'll be really helpful if you could post a couple of suggestions and/or guidelines!
  4. Hey guys, I'm currently doing my Maths IA on correlation and I was looking at samples from the IBO and from different places on the internet. People seem to always calculate what Pearson's correlation coefficient and averages are manually when they can do it on their graphical calculator and include a snapshot. I'm doing that but because everyone is doing it manually, I'm starting to wonder whether doing it on my calculator will get me marks in Criterion E: Use of Mathematics. Also, literally my whole IA is based on snapshots from my graphical calculator - will that get me marks?
  5. Hello, I am finishing up my IA and I realized that I have two dependent variables. My question is "to what extent does the concentration of copper sulfate affect seed germination" my independent variable is the concentration. But I have both the root length and the shoot length as my dependent variables, is that a problem or is it fine? Should I take one out and do just one? Thanks for the help
  6. I had two ideas in mind for my Math HL IA 1) I was thinking about doing it on non Euclidian geometry. I couldn't find a specific topic but I was thinking about proving that the Earth is round using spherical geometry but I am not exactly sure how to do it. 2) I was thinking about the Mandelbrot set. Maybe showing how it was bound by 2, but that would be repeating something that has already been discovered and proved many times before. If you have any suggestions on how I might find a specific topic it would really be helpful.
  7. IA

    For the Math Studies IA the student is to pick 2 variables they believe are related to each other in some way and test this using statistical analysis calculations. You can literally pick any two variables. I for example chose how many hours people play video games on average per week and the amount of words they could remember in a 1 minute interval. You want this to flow like a story, no one wants to grade something where you just throw numbers at them. Explain what they mean. Explain why you did this (I don't care if it's simply saying you simplified a fraction, do it). I'm not saying the graders suck at math, I'm saying that you don't know who's getting it so assume your grader is an idiot. Here are the criterion and for each one I'm only going to post the most points possible because you want a 7... Criterion A: Introduction 2 The student produces a title, a clear statement of the task and a clear description of the plan. - Don't make a dumb title. Make it relate to your investigation. I should be able to read your title and know 3 things. Both of your variables and your guess on if they are related or not (gives drama to a math IA sort of...on a nerdy level). - Your statement. It should be explicit. It should be clear. It should outline what you are going to do with the 200 numbers you a likely to collect. I should now know 4 things. Both of your variables, a small prediction, and the math you plan to do to it. - Now to make the grader happy (happy grader=happier grading, yes it's bias but you might as well use it for your advantage ). Make an introduction. Make it like a story. Maybe there is a reason you chose these variables? Are you interested in something about them? If they are related to sports for example, did you pick them because you love that sport? Explain these things. Also you can give a brief explanation of WHY you think they should be related. You're testing this after all, always fun to start with a guess and be proved wrong Criterion B: Information/measurement 3 The relevant information collected, or set of measurements generated by the student, is organized in a form appropriate for analysis and is sufficient in both quality and quantity. - Alright, quantity. It's vague I know. Let me say this. Chi Squared test=100 data points. Just go get 100 sets of data and you're set. - Put it in a chart for the love of god. A nice columned chart (if you are doing Pearson's/Linear Line of Regression you may also include the xy, x2, y2 and the averages/totals you will need later) - Relevant information...if you stated your variable was flight distance, don't collect how far the car traveled... Criterion C: Mathematical Processes 5 The student accurately carries out a number of relevant sophisticated processes. - Simple and EASY 5 points. Do at least 2 calculations, do 3 even! Chi-Squared, Pearson's, Linear Regression Line. If you know how to do those 3 and do them correctly, perfectly, you just got yourself a free 5 points! DO IT Criterion Interpretation of results 3 The student produces a comprehensive discussion of interpretations and conclusions that are consistent with the mathematical processes used. - Don't be dumb. If your Chi-Squared value was way under your critical value, don't say your original hypothesis was right...because it wasn't. - Draw conclusions using ALL the calculations you did. Maybe your chi-squared value says they have no relationship but just barely (just slightly below your critical value, very slightly) but your Pearson's value says there is absolutely no correlation between the points (this is a value between -0.3 and 0.3) - Explain your interpretation. Some people may think that a correlation coefficient of 0.6 is pretty good but other's might think it's terrible. Relate the value to what you collected (this is why it says discuss), are there reasons that your value could be lower than what it should be? You can discuss (if this happens, I don't know if it's even possible) why your correlation coefficient suggests a decent relationship but your chi-squared test says there is none. Which one do you trust more? Etc... - This is where math meets practicality. Be practical. Take the conclusion out of the number world and into the real world. Criterion E: Validity 2 The student has made a serious attempt to comment on both the mathematical processes used and the interpretations/conclusions made. - Why you used the math you did. How valid are the results from the math? did you do it by hand? Did you do it by a calculator? Did you do both to double check your work? Explain what you did to ensure that your math is perfect. Criterion F: Structure and Communication 3 The student has produced a project that is well structured and communicated in a coherent manner. - STORY. This needs to flow. I know it sounds weird, stories in a math class, but you can make a coherent IA. You did it for your group4 IA after all - This is grading you on how you connected the math to the real world and how you communicated the numbers but as words and sentences. Criterion G: Commitment 2 The student showed full commitment. - How do you get these 2 points? Make an IA that LOOKS like it took more than 2 hours to make (you could BS data and do this in 2 hours, but you didn't, did you?). Things that show this are the collecting of 100 data points. Taking the time to make the story flow. Adding in background information in the introduction. Spell/grammar check the dang thing. If there are errors you obviously weren't committed enough to proofread... If you have more questions or still don't understand something related to the IA itself feel free to ask. Any specific math questions (questions regarding Criterion C and involve numbers) should be asked in the Math Help Thread Edit: I've continued to get messages regarding personal cases and, as much as I'd like to help, I do not check back here often. That being said - Send me a message with the understanding that you can't rely on my reply. Apologies.
  8. I'm starting to write my SL internal assessment but don't know how to structure it or what to base it on, I know I want to write about trigonometry and how it can be related to photography but don't know how to do this...
  9. Hello everyone! For my math HL IA, im planning to do a topic related to Basketball. Recently, there was a trade between the teams, Cavaliers and Boston Celtics. By comparing the traded player's stats such as points per game or Field goal%, I will be investigating if this trade is a significant trade in the perspective of Cavaliers. For this topic, i'm planning on using standard deviation and statistics. Do you think this is enough for my math IA? or should I incorporate other math to it
  10. Hello! So I have been brainstorming about what kind of experiment I could do for my biology IA for a couple of months now, and yesterday I had an eureka moment and figured out that I could do it about yeast. We brew a national Russian drink (kvass) at home and it hit me that we actually use yeast for that (I just never thought about it before). Since it's a biological process I could write an investigation about it, and the fact that yeast fermentation is something that my family deals with quite often and that it produces one of the most beloved drinks in my country, would make the investigation more personal and get me a better grade. So now I know that I want to do it about yeast fermentation, but I am having a big problem figuring out what to actually investigate. A thing I thought about was perhaps finding the optimum sugar concentration for fermentation, but it seems to me that it is a topic that has been overdone and is a bit too simplistic. So I wonder: is there anything else about yeast/yeast fermentation that is worthy of investigation and that doesn't require some advanced lab technique to carry out? Are there any other factors that I could manipulate that will influence the rate of fermentation, or the quality of the fermented drink, or the ethanol content, or the activity of the yeast? Some of the other factors (IVs) that I have thought about: Effect of different vitamins (Vitamin E, vitamin B, etc etc) on yeast activity. It sounds like the most interesting one out of everything else, but I am unsure about how long time it will take me to see any results (I don't want this experiment to be too long) Effect of pH on yeast activity Effect of temperature Effect of different types of sugars on yeast activity (glucose, fructose, sucrose?) Effect of oxygen availability on the rate yeast fermentation (this seems like an interesting one, but not sure how I could manipulate the oxygen supply) I found this on a website: "The presence of oxygen at normal atmospheric concentrations will inhibit any fermentation process. At very low concentrations, however, oxygen can actually increase the yield of ethanol. This is sometimes referred to as themicroaerobic effect. As the level of oxygen is increased beyond this point, byproducts such as glycerol and acetic acid (vinegar) are produced by the yeast in addition to ethanol, and the yield and purity of the ethanol are reduced. As I mentioned before, fermentation will stop altogether once oxygen concentrations become too high. This is sometimes referred to as the Pasteur effect." This seems like the other most interesting thing to investigate out of all the things I have mentioned above, and I don't think that I have seen that many IAs being done on this. But again, I have no idea how I can vary the level of oxygen, so if anybody has any idea I would be really happy Effect of ethanol concentrations on yeast activity So yeah, these are all the ideas that I have so far. Any other ideas, comments on my existing ideas, or pointers towards relevant research or interesting areas would be greatly, greatly appreciated. Sorry for the long post by the way!
  11. Im currently thinking about doing the bombing of Hiroshima but I think that it is too common so im trying to think of a new topic
  12. I currently have an idea for my chemistry IA, but I can't find any previous lab work done on this specific topic. My topic is: What are the effects of the rate of reaction of sodium bicarbonate when combined with different pH levels of acids OR To what extent is the amount of CO2 collected from a sodium bicarbonate reaction affected when combined with different pH levels of acidity. Which topic should I pick or should I just scrap what I have and find another experiment.
  13. So this is my first time to do this, like conducting my own research and I am still not sure of this critical thinking side of the IB program because previously I did the IGCSE which based more on like writing and following instruction. Right now my first drafts are almost due and I desperately need an IA topic. If this helps, I am interested in taking veterinary science in University so! PLEASE HELP! Any help is really helpful right now!!
  14. Does anyone have good ideas for the biology IA?
  15. I am currently developing my IA topic and research question, and I would love feedback on my topic in terms of appropriateness and fitting criteria. I am currently taking IB History of the Americas HL. My topic is the Smog of Donora 1948 in the United States and its effects on American and global environmental policy. My research question is: To what extent did The Smog of Donora 1948 lead to clean air acts in the United States and further environmental policy globally? Any feedback is appreciated!!
  16. My friend and i are doing our IOP and we are finding it hard to make it creative, or how to intrigue the audience we are looking for more unique was rather than jokes, powerpoints/prezis, etc
  17. Are there any word limit for the extract we use for our economics IA? is it alright if the extract I am using is pretty long? The IA examples I got had really short extracts.
  18. Can I choose one of the topics that have been already done for my IA?. I will do all myself so I will get different results.
  19. Hey guys, so I am doing my Chemistry IA on enthalpy changes of alcohol.. and so I was like half done my experiment (collected data) when I came across an IA topic researching exactly what I am researching, like my introduction, background info are different but our methodology to carry out the experiment is the same and data processing method is the same.... I was wondering is it okay to carry on? I still have my own original data, original background information, original introduction...its just our method to carry out the experiment and the way to find out the calculations is the same....... shall I carry on with my IA? please do let me know if you have any input on this, thanks.
  20. Hello all, I take chemistry HL and I need a topic for my chemistry IA new syllabus. I have suggested two ideas for my supervisor but he said they are not good. He said that the expire meant should deal with a broad topic and have qualitative data( the one with calculations) he emphasized on the point of the experiment having calculations. And he said it should relate in someway to daily life, it's good to do about food, water , cosmetics, detergins.... Any suggestions for topics???? The two topics he refused and said we're not good are: 1. The effect of temperature on the acidity of lemons 2. Something dealing with zinc half life
  21. Hello I take maths SL and my homework for the winter break was to come up with a topic for the IA. I'm considering f/stops in photography which has something to do with geometric sequences and some mathematical explanation why these stop numbers make sense. It seems good enough, I guess, but my concern is that it's not very authentic. May I have your opinions, please? Hadassah
  22. biology

    Hello! IB victims! I need some ideas or suggestions with my Biology IA! First of all, I wanted my IA to do with Enzyme and the percentage concentration of Alcohol(Any kinds of Alcohol drinks, I guess....) and yes! I also went online and did some digging myself but the thing is I need direction! with the topic! ANY suggestions or ideas would be very helpful! hope you have a great day wherever you are!
  23. Hey guys, I'm really struggling to narrow down my topic for my bio IA. The deadline to start testing is coming quickly and I have no idea. I know I want to do something with energy drinks but that's about it. Any suggestions?
  24. So I have this idea for my chemistry IA that I'm not sure of. I want to compare and contrast the effect of the different ratio between baking soda and acid vs. the amount of baking powder on the height the cake after baking. Baking powder is a mixture of baking soda and another acid that reacts when mixed with wet ingredient; it is used to make a cake "fluffy." I want to see if baking soda + acid will have the same effect as baking powder and how different amount of it will affect how much the cake rises. Possible variables: Independent- the ratio between baking soda and an acid + amount of baking powder (the total mass of baking powder and acid will be constant, and the mass of baking powder will change) Dependent- The height of the cake after baking Control: size of the mold, the amount of ingredients for the cake (flour, water, oil, etc.), baking temperature & time, amount of batter before baking, type of acid, type of baking powder, type of baking soda. The problem with this idea is that there are too many variables that can influence the result of the experiment. For example, how it is mixed, placement in the oven, spread of the batter etc. Will this be a good topic to do? Is there any way for me to control these variables? Or change some aspect of it to make it more controllable?
  25. I am starting to do my Economics Internal assessment. I take Economics standard level. My batch is the first batch taking the economics IB exam! Any tips for a good Internal assessment? Which sections do you think I should do? What topics should I focus on? What do you think the checker would be looking for in my IA?