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November 01, 2025, 03:01:07 pm

Author Topic: Explanation on a couple of prac exam questions  (Read 35237 times)  Share 

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zomgSEAN

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Re: Explanation on a couple of prac exam questions
« Reply #75 on: October 23, 2010, 10:19:16 am »
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In terms of Variable-Ratio VS Variable Interval in terms of resistance to extinction, our teacher says it's variable interval.
She's marked psych exams for 6 years now.
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Spreadbury

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Re: Explanation on a couple of prac exam questions
« Reply #76 on: October 23, 2010, 11:32:27 am »
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can you give an example of a variable interval schedule that's resistant to extinction? (I do agree with you, but if a question asks to justify your answer then I'd be forced to pick ratio)
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jinny1

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Re: Explanation on a couple of prac exam questions
« Reply #77 on: October 23, 2010, 11:51:51 am »
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@jinny1, I suspect 1/2 days prior to the English exam.

sorry what do you mean by this??

Answering your question, "when do the mods on this forum put end of year exam section in the forum??" - One to two days before the oh-so-deadly primal English exam this upcoming Thursday.

Thanks!!!
lucky im in year 11 but i loathe English exams the most...
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matt123

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Re: Explanation on a couple of prac exam questions
« Reply #78 on: October 23, 2010, 11:55:58 am »
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can you give an example of a variable interval schedule that's resistant to extinction? (I do agree with you, but if a question asks to justify your answer then I'd be forced to pick ratio)

Fishing.
Standing at the traffic lights .. pushing the button over and over.
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sillysmile

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Re: Explanation on a couple of prac exam questions
« Reply #79 on: October 23, 2010, 12:22:57 pm »
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can you give an example of a variable interval schedule that's resistant to extinction? (I do agree with you, but if a question asks to justify your answer then I'd be forced to pick ratio)

Fishing.
Standing at the traffic lights .. pushing the button over and over.

in regards to the traffic lights, is that not fixed interval?
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mikee65

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Re: Explanation on a couple of prac exam questions
« Reply #80 on: October 23, 2010, 12:39:42 pm »
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Im gonna go DB for the first questions? right?

matt123

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Re: Explanation on a couple of prac exam questions
« Reply #81 on: October 23, 2010, 12:42:35 pm »
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can you give an example of a variable interval schedule that's resistant to extinction? (I do agree with you, but if a question asks to justify your answer then I'd be forced to pick ratio)

Fishing.
Standing at the traffic lights .. pushing the button over and over.

in regards to the traffic lights, is that not fixed interval?

Nah i dont think they happen at a fixed time.
We went down to traffic lights to test it.
it was like 5-15 secs diff every time.

but i think the government has changed most the traffic lights these days.
the run on the amount of cars that pass a specific line in the ground ( dont ask me how).

anyways
Im pretty sure its variable interval
but i could be wrong ..

but fishing is anyway
2009 : Physical Education
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Visionz

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Re: Explanation on a couple of prac exam questions
« Reply #82 on: October 23, 2010, 12:48:26 pm »
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They cant be fixed because if someone presses the button to cross the road itd fuck up the whole system.

id say they just favour the bigger road when they change colour. variable interval.

sillysmile

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Re: Explanation on a couple of prac exam questions
« Reply #83 on: October 23, 2010, 12:48:52 pm »
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can you give an example of a variable interval schedule that's resistant to extinction? (I do agree with you, but if a question asks to justify your answer then I'd be forced to pick ratio)

Fishing.
Standing at the traffic lights .. pushing the button over and over.

in regards to the traffic lights, is that not fixed interval?

Nah i dont think they happen at a fixed time.
We went down to traffic lights to test it.
it was like 5-15 secs diff every time.

but i think the government has changed most the traffic lights these days.
the run on the amount of cars that pass a specific line in the ground ( dont ask me how).

anyways
Im pretty sure its variable interval
but i could be wrong ..

but fishing is anyway

yeah in that case, you are right :)
2010: Biology 37+   Literature 25+    Physical ed 36+   Psychology 44+
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2011: Psychological science @LaTrobe (bundoora campus)

"Wrinkles should merely indicate where smiles have been"-- Mark Twain

sillysmile

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Re: Explanation on a couple of prac exam questions
« Reply #84 on: October 23, 2010, 12:52:07 pm »
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They cant be fixed because if someone presses the button to cross the road itd fuck up the whole system.

id say they just favour the bigger road when they change colour. variable interval.
I just thought that the possibility of a green man occurs at the same time every time, however only happens if somebody presses the button. (so the timing isn't dependant on the person pressing the button)
that was just how I had imagined that it worked, but it's very likely your explanation is correct.
« Last Edit: October 23, 2010, 12:53:41 pm by sillysmile »
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sillysmile

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Re: Explanation on a couple of prac exam questions
« Reply #85 on: October 23, 2010, 12:55:09 pm »
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Im gonna go DB for the first questions? right?
yeah.
2010: Biology 37+   Literature 25+    Physical ed 36+   Psychology 44+
ATAR: 80+ and I will be happy.
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"Wrinkles should merely indicate where smiles have been"-- Mark Twain

Spreadbury

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Re: Explanation on a couple of prac exam questions
« Reply #86 on: October 23, 2010, 01:14:57 pm »
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Standing at the traffic lights .. pushing the button over and over.

that's fixed interval my friend. the main traffic lights are fixed interval i'm pretty sure, and the walk sign will only come on when the correct set of traffic lights are green. pg. 472 of the Grivas textbook states that traffic lights are a fixed-interval schedule
« Last Edit: October 23, 2010, 01:17:37 pm by Spreadbury »
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matt123

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Re: Explanation on a couple of prac exam questions
« Reply #87 on: October 23, 2010, 01:22:22 pm »
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Standing at the traffic lights .. pushing the button over and over.

that's fixed interval my friend. the main traffic lights are fixed interval i'm pretty sure, and the walk sign will only come on when the correct set of traffic lights are green. pg. 472 of the Grivas textbook states that traffic lights are a fixed-interval schedule

Hmmm.... Ok , i guess ima have to agree with you in that case.

Well .. Im still half right with fishing

FISHING IT IS!!

haha
:)

thanks for clearing that up spreadyy :)
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masonnnn

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Re: Explanation on a couple of prac exam questions
« Reply #88 on: October 23, 2010, 01:56:46 pm »
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we had a psych study class yesterday and our teacher told us variable-ratio is hardest to extinguish followed by variable-interval being 2nd hardest.

variable-ratio is also effective for acquisition whereas variable-interval isn't and results in a slow, steady rate of response or erratic behavior as seen from the rat in skinners box.



so, in other words. i have no idea which is right then.
can just imagine, MC Q1 "which of these is most resistant to extinction" :buck2:
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zomgSEAN

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Re: Explanation on a couple of prac exam questions
« Reply #89 on: October 23, 2010, 02:03:21 pm »
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can just imagine, MC Q1 "which of these is most resistant to extinction" :buck2:

Dude, it's going to happen :\
I'm saying Variable Interval though.
But it'll be wrong, and i'll yet again want to murder VCAA in all their shittiness.
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