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November 18, 2019, 11:57:13 am

Author Topic: VCE Psychology 3/4 Question Thread!  (Read 163315 times)  Share 

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jyce

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Re: Psychology 3/4 Question Thread!
« Reply #240 on: May 10, 2016, 03:22:36 pm »
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You're really super great and I can't thank you enough for putting it into basic terms  :D

You're welcome  :)

Apink!

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Re: Psychology 3/4 Question Thread!
« Reply #241 on: May 12, 2016, 12:52:38 pm »
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Hello,
Could I get some assistance on operationalising the IV and the DV?
In class, we did an experiment where IV was the method of recall (free recall and recognition) and the DV was the number of correct items identified. How can I operationalise them? I'm so confused ):

Help will be much appreciated!
Thank you :)
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Joseph41

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Re: Psychology 3/4 Question Thread!
« Reply #242 on: May 12, 2016, 01:04:02 pm »
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Hello,
Could I get some assistance on operationalising the IV and the DV?
In class, we did an experiment where IV was the method of recall (free recall and recognition) and the DV was the number of correct items identified. How can I operationalise them? I'm so confused ):

Help will be much appreciated!
Thank you :)

Hey there,

So operationalising just involves specifying how you've tested the IV and DV, basically. You've actually done pretty well in this post already!

You might operationalise the IV by saying something like "method of recall (either free recall or recognition)". You might operationalise the DV by saying something like "success of memory retrieval (measured by number of correct responses on a self-report test)".

Or something like that. Does that make sense?

minerva

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Re: Psychology 3/4 Question Thread!
« Reply #243 on: May 16, 2016, 07:00:17 pm »
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Hi, could someone please explain the difference between extraneous variables and limitations of a study design, and give examples for each? Thanks.
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Swagadaktal

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Re: Psychology 3/4 Question Thread!
« Reply #244 on: May 16, 2016, 07:04:00 pm »
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Hi, could someone please explain the difference between extraneous variables and limitations of a study design, and give examples for each? Thanks.
Extraneous variables: Basically anything in an experiment that's not an independent variable or a dependent variable. This can be further split into confounding variables and controlled variables. Confounding variables are extraneous variables which have had an impact on the results, controlled variables are variables which have been systematically controlled so that they do not influence results. Can't think of any examples rn (there's plenty) but im too fried

Limitations of a study design is the extent to which your study applies to other scenarios. I.e if your sample is convenience sampling then it wont be an accurate representation of the whole population, or your sample is all students then you can't make the assumption that it would apply to any other age group - thus, your experiment's findings are limited.
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EmmaQuinn

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Re: Psychology 3/4 Question Thread!
« Reply #245 on: May 16, 2016, 08:56:27 pm »
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When writing an ERA, what should be included in the discussion and conclusion part??
Thanks :)

KittyKat16

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Re: Psychology 3/4 Question Thread!
« Reply #246 on: May 16, 2016, 10:13:22 pm »
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When writing an ERA, what should be included in the discussion and conclusion part??
Thanks :)
From the two ERA sacs I've done; you should include :
-Whether the hypothesis was supported or not
-analysis of results that point to why hypothesis was supported or not
-any extraneous/confounding variables; how they could've affected results and how you can control them
-ethical guidelines that were breached and/or adhered to
-whether results can be generalised to the population; which depends on sample size, EVs, sample demographic and p-value/statistical significance.
-a conclusion that states whether the hypothesis was supported and why/why not briefly.
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minerva

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Re: Psychology 3/4 Question Thread!
« Reply #247 on: May 17, 2016, 05:31:31 pm »
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When using a repeated measures experimental design, would order effects be considered an extraneous variable or a limitation of the design?
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TheLlama

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Re: Psychology 3/4 Question Thread!
« Reply #248 on: May 17, 2016, 05:51:55 pm »
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When using a repeated measures experimental design, would order effects be considered an extraneous variable or a limitation of the design?

They're a limitation of the design that can be overcome by counterbalancing.
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smiley123

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Re: Psychology 3/4 Question Thread!
« Reply #249 on: May 19, 2016, 09:16:23 pm »
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Hi everyone! I'm currently writing an ERA and just wanted to ask, is it possible that a hypothesis is supported but cannot be generalised? My hypothesis is that the recall of Year 12 select entry students would be highest for words with a serial position at the beginning and end of the list in comparison to the middle. The serial position effect is evident, but convenience sampling is used, so I'm not sure what I should conclude.

HasibA

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Re: Psychology 3/4 Question Thread!
« Reply #250 on: May 19, 2016, 09:23:37 pm »
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Hi everyone! I'm currently writing an ERA and just wanted to ask, is it possible that a hypothesis is supported but cannot be generalised? My hypothesis is that the recall of Year 12 select entry students would be highest for words with a serial position at the beginning and end of the list in comparison to the middle. The serial position effect is evident, but convenience sampling is used, so I'm not sure what I should conclude.
pretty sure that can happen- your hypothesis can be supported but let's say, idk, you had a missrepresentative sample or had uneven distributions of gender,age,status etc. , they in that instance , a generalisation could not be made, however, if the results were statistically significant, im pretty sure a conclusion can still be made( hence the main difference between a conclusion and generalization being supported is that the conclusion only needs statistical significance, and a generalisation needs a few more things)

sorry if this was wrong/misleading- it is only what i know, so may be some inaccuracies :)
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jyce

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Re: Psychology 3/4 Question Thread!
« Reply #251 on: May 19, 2016, 09:26:01 pm »
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Hi everyone! I'm currently writing an ERA and just wanted to ask, is it possible that a hypothesis is supported but cannot be generalised? My hypothesis is that the recall of Year 12 select entry students would be highest for words with a serial position at the beginning and end of the list in comparison to the middle. The serial position effect is evident, but convenience sampling is used, so I'm not sure what I should conclude.

You can definitely have a hypothesis that is supported w/o being able to generalise the results. Happens a lot. It's not just the use of a convenience sample that would limit the generalisability of your findings, either; there's also the fact that Year 12 select entry PSYCHOLOGY students could possibly differ from the general population on a number of relevant characteristics - especially considering the fact that, as Psychology students, you're all aware of the serial position effect and this might have caused you to, consciously or unconsciously, try harder to remember words in the middle of the list. People in the general population who lack this knowledge might demonstrate the serial position effect more accurately.
« Last Edit: May 19, 2016, 09:28:50 pm by jyce »

smiley123

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Re: Psychology 3/4 Question Thread!
« Reply #252 on: May 19, 2016, 09:32:46 pm »
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Okayy, thank you so much for clearing it up for me!

friedchromosome

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Re: Psychology 3/4 Question Thread!
« Reply #253 on: May 22, 2016, 07:39:37 pm »
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Has anyone done activity 9.3 on page 346 of the Gravis textbook, pleaseee pm me. Really struggling. Thanks

Joseph41

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Re: Psychology 3/4 Question Thread!
« Reply #254 on: May 22, 2016, 08:48:09 pm »
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Has anyone done activity 9.3 on page 346 of the Gravis textbook, pleaseee pm me. Really struggling. Thanks

Would you be able to share what the activity is for those without the textbook? :)