marine should be option A as it serves as a control group (baseline to compare results to). the salt will have no impact, similar to what a placebo would do. it wouldn’t be option B as having some sort of light isn’t providing a baseline as the variable of light is still being manipulated. option C and D would be incorrect as they are alterations to the experiment thus various experimental groups.

girlmeetsvce i replied to your email but ill provide my answer here too. in essence, in the context of this experiment, they're testing the effect of caffeine through the correlation of gender. gender isn’t being investigated explicitly, rather the effects of caffeine per gender. i would put this into a context of a between subject design where the same participants are used in both groups— you can change caffeine consumption but you cannot change gender (in an experimental context).

      how would I answer this?

      Question 3 (5 marks)
      Explain how brain imaging of patients with Alzheimer’s disease has provided evidence of the role of
      episodic and semantic memory in retrieving autobiographical events

      • FH replied to this.

        girlmeetsvce oh i hated this question so much, hoping the psych exam isn’t like the bio exam (i don’t do bio i have heard it was crazy difficult). here was my approach

        (1 mark) defining alzheimers (keyword: neurodegenerative disease)
        (1 mark) symptom of alzheimers is a difficulty remembering autobiographic memories, which comprise of episodic and semantic memories
        (2 marks) episodic and semantic memories are encoded by the hippocampus, and in a patient diagnosed with alzheimers, brain imaging will show a shrinkage in the hippocampus, leading to the inability to remember any new episodic or semantic memories as they cannot be properly encoded through the hippocampus
        (1 mark) this highlights how autobiographical memories rely on the hippocampus for encoding

          thank youu omg yea I read the reddits about the bio exam and am praying for psych to not be as hard!!

          • FH likes this.

          I need to do some hard core revision what are anyone's favourite websites/channels/resources any and all recommendations would be greatly appreciated for pretty much any area of the syllabus😊

          • FH replied to this.

            hey guys I'm struggling with VCAA research methods/key science skills questions, do you have any recommendations for how to improve before tomorrow?

            • FH replied to this.

              girlmeetsvce just review over the more high-end stuff such as investigation methodology and analysing quality of data (accuracy, precision, repeat/producability, errors and validity).
              the study design has it watered down im pretty sure, but as long as you know your main content knowledge i wouldn’t be overwhelmed not knowing science skills as it shouldn’t be heavily examined yk

                hi guys, i am not in year 12, im in year 8 rather, but my sister is in year 12 doing psychology, and she did her exam today. She said it was quite a hard test in the fact that the questions were extremely lengthy to read, although the 10 mark questions was extremely easy. Do you guys share the same thoughts?

                oh the exam was SHIT. like it was wordy and confusing and none of it made sense. i walked in optimistic and walked out wanting to use my own notes to improve my mental well-being. it was so disheartening bc I've done well all year and now it poses a risk of being my 10% subject

                  but maybe that means that it will be easier to get a higher score if the average is lower? Or is that just not how it works

                    FH real shit ive been top of the class but shit was crazy today. I think genuinely it will be my bottom 2

                      MMHS technically you're right, but we'll see... I think I did too shit for it to actually benefit me lol

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