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AP Psychology Videos 162 videos

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AP Psychology 2.2 Testing and Individual Differences 15 Views


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Description:

AP Psychology 2.2 Testing and Individual Differences. Which term describes whether schools should have faith in the test's results?

Language:
English Language

Transcript

00:03

And here'ss your shmoop du jour brought to you by four-year-olds

00:06

arguably the most blunt demographic on the planet all right four year olds [four year old boy in a park]

00:11

entering kindergarten in New York take an exam called the ERB. A group of 10

00:15

took the exam and then took it again one month later the results were similar

00:19

which term describes whether schools should have faith in the tests results

00:24

and here the potential answers [mumbling]

00:28

...alright well in reality ERB stands for the educational

00:32

records bureau and is a not-for-profit organization that offers assessments for

00:37

admission and achievement from kindergarten to grade 12 and we have [teacher wiping a board clean]

00:41

some of the ERB prep stuff here at shmoop, yeah. All right but in the

00:46

interest of keeping things interesting let's pretend that the ERB stands for

00:49

the Embassy of Robot Battling which serves to pit fighting four-year-olds

00:54

against battle bots, now these four year olds were made to fight to same robots [four year old in a ring fighting a robot]

00:58

and the same test one month apart and both times the four-year-old totally

01:01

whooped the Robo-Butt.. What term would best describe our faith in such a process. Well [Four year old hits the robot and the robot falls to the floor]

01:08

it wouldn't be validity because the term validity describes exactly how much your

01:11

test tests the thing you want to test. Is it valid? So if our robots

01:17

fighting tests wanted to test the four-year-olds ability to wrestle elves [robot transforms into an elf in a ring with a four year old]

01:20

it wouldn't be all too valid but since it's clearly wanting to test their robot [four year old pins elf to the floor]

01:25

beating skills it would likely be rather valid in that instance and seeing as

01:29

the term norm refers to a social or cultural custom that appears normal and

01:35

expected that wouldn't apply to what we're looking for so it's not B. It also

01:39

probably wouldn't apply in any capacity to the idea of making toddlers fight [people protesting on robot battling]

01:42

cyborg machines but that's a discussion for another day and maybe Congress. The

01:47

term provability simply refers to the ability to prove something if we

01:51

wanted to prove that a group of four-year-olds could be readily and

01:54

easily bodyslam a bunch of robots well, maybe we air Rugrats rockin robot 16 on

01:59

pay-per-view this fall what do you think This however is not our answer and [Rug Rat's Rocking Robots poster on a wall]

02:04

since E is a made-up non-existent word we heard one of our fighting

02:08

four-year-olds try to use, that probably isn't applicable either [four year old jumping up and down in a ring]

02:12

Leaving us with C reliability a term that refers to the

02:18

consistency of a measure such as that found in repeated test results if the

02:22

real world ERB tests are consistent across multiple tests they're likely

02:27

reliable where they have reliability and if our ERB results in the same thrashing [girl students writing in an exam]

02:33

of a bunch of gutless robots well then our thing seems pretty reliable too!

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