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In this post I’ll outline the five theories I think are the best to base your experiment on. I’ll suggest some good studies that go with those theories.  We always think about the IA based on the key study being replicated. But since the most important thing is the background theory or model, maybe that’s a better place to start. …

The IB Psychology IA gives you the opportunity to become a real psychologist. You’ll work in a group to plan, prepare and conduct a psychological experiment on actual participants. Let’s start at the end… The Final Report Your final IA is 1,800 – 2,200 word report summarizing your experiment. It will have four major sections: Introduction Exploration Analysis Evaluation The …

Your IA experiment didn’t work? You were hoping to “prove” your theory right and have the same results as the original weren’t you? Never mind, this can teach you a few valuable lessons and it won’t affect your marks. Here’s what you need to do.  You’ll still need to conduct your descriptive and inferential statistics. You’ll also need to explain …

If you miss one important detail you could lose marks. Read carefully so you can score 6/6 in the IA Evaluation. Of the four sections in the IA (Introduction, Exploration, Analysis and Evaluation), the Evaluation is the hardest to write. Fewer students score in the top mark band (5-6 out of 6) for this than any other section. In fact, …

I can almost guarantee you’ll need a one-tailed test for your inferential statistics in the IB Psychology IA. Let’s see why. It’s one of the most common mistakes made in the analysis, but it’s so easy to avoid. Do you need a one or two-tailed inferential statistics test (e.g. MWU or Wilcoxon)? The Easy Answer If you have a one-tailed …

Your graph must be accurate and “address the hypothesis.” In this post we’ll look at how you can create the perfect IA graph for the IB Psychology IA.  Your research hypothesis will be based on the effect of an independent variable on a dependent variable. To test this hypothesis you created two conditions (I hope) in your experiment to see …

Read carefully so you’ll know how to apply descriptive statistics for the IA PROPERLY! (Or watch the video explanation here). I will freely admit, that I can’t explain it any clearer than what’s included on this excellent post on MyIB. Perhaps the most value I can offer is to make people aware of this resource. Before we look at what you have …

Here I explain how to describe the theory or model in your IA Introduction for IB Psychology. WARNING: This post is only for those aiming for 7s. (Henceforth I will just say “theory” to make things easier but know that I mean theory or model) There are three things I would recommend including to have a full description of your …

Knowing how to write the IA Introduction for IB Psychology can be difficult. This post gives a few tips to make it easier. While there is no prescribed way to write your IA Introduction in IB Psychology. if you’re struggling to get started the following format might help. However, feel free to structure it in a way that makes sense …