Even a test like that assumes

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Even a test like that assumes Posted by Reality (more from Reality) on Thu, 15 Dec 2011 07:07:28

In Reply to: Re: Correlation does not imply causation, TML

[Profile/Gallery] , Thu, 15 Dec 2011 06:05:11 Members do not see ads below this line. - Help Keep This Site Online - Signup

1. Test subjects are not suggestable. Behavioral experiments are inherently highly "Heisenbergian": the observation/observer action influences the outcome.

2. All drivers and driving conditions are the same. That is certainly not the case. Even the same driver can have very different response to the presence of a passenger depending on how many hours he/she has been driving (passenger is distraction on short drives, but a very good device for keeping the driver awake on long drives).

3. The default state of driving, in the absence of cellphone and passenger, is calm and collected without any time-target and without any destination like during the experiment. That is patently false. People drive in order to get to target locations, and usually with specific time target. The alternative to using a phone is not calm and collected driving like during the experiment but rushing to get to make appointment on time because of inability to inform counter-party about being late.

posted by 24.91.39...

Posts in this Thread:

Cellphones and driving, Noel, Wed, 14 Dec 2011 06:28:12
- Re: Cellphones and driving, Craig, Thu, 15 Dec 2011 10:40:55
  - Re: Cellphones and driving, Justin VanAbrahams , Thu, 15 Dec 2011 15:32:40
    - Then ban all cops and military pilots, Reality, Thu, 15 Dec 2011 22:10:55
      - Ever drive with a cop?, nwas, Sun, 18 Dec 2011 09:47:20
        Where do you think the military pilots get their, Reality, Sun, 18 Dec 2011 14:36:09
        Well, some of it anyway..., Noel, Mon, 19 Dec 2011 12:36:29
        Agree! I've seen cops do stuff that'd get, Noel, Sun, 18 Dec 2011 11:40:39
      - Not too impressed cops/pilots - but speaking of Greek, AeroBaron, Fri, 16 Dec 2011 10:46:03
        The guy should be banned!, Reality, Fri, 16 Dec 2011 11:37:53
        Yep on nanny, and su stuff es mi stuff NM, AeroBaron, Fri, 16 Dec 2011 11:55:55
      - I hold a radiotelephone operator's license, JohnA , Fri, 16 Dec 2011 10:43:48
        Do you honestly believe that a summer job skill set, Reality, Fri, 16 Dec 2011 11:42:54
        truck drivers/taxi drivers etc don't need licensing, JohnA , Fri, 16 Dec 2011 14:56:30
        Re: truck drivers/taxi drivers etc don't need licensing, Reality, Sat, 17 Dec 2011 07:09:06
        use of cellphone, JohnA , Sat, 17 Dec 2011 15:36:50
        Gullible fools still needed in the Jury box, Reality, Sun, 18 Dec 2011 13:56:54
- Here's a Study with N > 100,000,000, Reality, Wed, 14 Dec 2011 18:50:54
  - Dewey wins!, nwas, Thu, 15 Dec 2011 20:02:52
    - That's the exact position of the wannabe Nannies, Reality, Thu, 15 Dec 2011 22:18:56
      - Wrong, nwas, Fri, 16 Dec 2011 09:05:36
        Yes, You Are Wrong!, Reality, Fri, 16 Dec 2011 09:36:25
        Missing the point...., plap, Fri, 16 Dec 2011 11:43:21
        Yes, You Are Missing the Point, Reality, Fri, 16 Dec 2011 12:05:02
        Sorry, but you're still missing the point, nwas, Fri, 16 Dec 2011 15:06:31
        You have no legal right to be protected from anything, Reality, Fri, 16 Dec 2011 20:50:30
        Stop arguing for the sake of arguing!, Noel, Fri, 16 Dec 2011 11:04:39
        Very good additional points, Reality, Fri, 16 Dec 2011 11:25:56
        Yawn, nwas, Fri, 16 Dec 2011 15:12:46
        Now you are speaking the truth, Reality, Fri, 16 Dec 2011 20:39:50
  - or maybe cars have gotten safer in the past decade, or, AeroEd, Wed, 14 Dec 2011 19:21:35
    - Don't ban those movies, Reality, Wed, 14 Dec 2011 20:11:46
      - Correlation does not imply causation, AdamB , Thu, 15 Dec 2011 02:38:42
        Re: Correlation does not imply causation, Reality, Thu, 15 Dec 2011 05:54:29
        Re: Correlation does not imply causation, AdamB , Thu, 15 Dec 2011 14:22:31
        Re: Correlation does not imply causation, Reality, Thu, 15 Dec 2011 22:41:43
        automotive safety..., James, Fri, 16 Dec 2011 03:54:21
        IIHS has been in business since 1959!, Reality, Fri, 16 Dec 2011 05:37:52
        Re: IIHS has been in business since 1959!, James, Fri, 16 Dec 2011 08:17:42
        Side tracking aside, you have it backwards again, Reality, Fri, 16 Dec 2011 09:20:31
        Re: Side tracking aside, you have it backwards again, James, Fri, 16 Dec 2011 13:22:37
        Re: Side tracking aside, you have it backwards again, Reality, Fri, 16 Dec 2011 20:31:00
        Re: Side tracking aside, you have it backwards again, James, Sat, 17 Dec 2011 06:02:55
        Re: Side tracking aside, you have it backwards again, Reality, Sat, 17 Dec 2011 07:33:57
        Re: Side tracking aside, you have it backwards again, James, Sat, 17 Dec 2011 10:44:56
        Please do not mischaracterise my POV, Reality, Sat, 17 Dec 2011 21:44:42
        I apologize..., James, Sun, 18 Dec 2011 07:35:34
        Re: I apologize..., Reality, Sun, 18 Dec 2011 14:48:37
        Accident fatalities, Noel, Sun, 18 Dec 2011 05:18:25
        Re: Accident fatalities, Reality, Sun, 18 Dec 2011 14:56:36
        Re: Correlation does not imply causation, TML , Thu, 15 Dec 2011 06:05:11
        One more important assumption, Reality, Thu, 15 Dec 2011 07:14:47
        Re: One more important assumption, TML , Thu, 15 Dec 2011 08:04:22
        Re: One more important assumption, Reality, Thu, 15 Dec 2011 09:13:33
        Even a test like that assumes, Reality, Thu, 15 Dec 2011 07:07:28 <-- Viewing This Message
        Re: Even a test like that assumes, TML , Thu, 15 Dec 2011 07:54:58
        Re: Even a test like that assumes, Reality, Thu, 15 Dec 2011 09:34:21
        once again, jeff in MD, Thu, 15 Dec 2011 09:47:03
        File that 3rd possiblity under "insigificant", Reality, Thu, 15 Dec 2011 09:58:52
        Re: File that 3rd possiblity under "insigificant", James, Thu, 15 Dec 2011 10:43:34
        Do you honestly believe, Reality, Thu, 15 Dec 2011 11:03:12
        Re: Do you honestly believe, James, Thu, 15 Dec 2011 11:17:14
        Re: Even a test like that assumes, James, Thu, 15 Dec 2011 08:12:08
        Thanks for pointing out Adeptation/Adaptation, Reality, Thu, 15 Dec 2011 09:47:39
        study link, jeff in MD, Thu, 15 Dec 2011 08:16:54
        another link, James, Thu, 15 Dec 2011 08:37:26
        Re: Even a test like that assumes, jeff in MD, Thu, 15 Dec 2011 07:31:12
        Agree, Reality, Thu, 15 Dec 2011 09:53:20
        I'm not conviced there was a study to begin with, Noel, Thu, 15 Dec 2011 08:21:20
        need to do research, jeff in MD, Thu, 15 Dec 2011 08:24:46
        They all have the wrong assumption, Reality, Thu, 15 Dec 2011 10:20:32
        Re: They all have the wrong assumption, James, Thu, 15 Dec 2011 10:50:11
        Re: They all have the wrong assumption, Reality, Thu, 15 Dec 2011 11:20:07
        Re: They all have the wrong assumption, James, Thu, 15 Dec 2011 11:28:58
        Re: They all have the wrong assumption, Reality, Thu, 15 Dec 2011 22:03:24
        Cell phones not the only distraction!, Noel, Thu, 15 Dec 2011 10:37:07
        Exactly! What will they ban next?, Reality, Thu, 15 Dec 2011 10:50:45
        I kind of agree with you..., James, Thu, 15 Dec 2011 11:02:20
        Re: I kind of agree with you..., Reality, Thu, 15 Dec 2011 22:27:25
        Re: I kind of agree with you..., James, Fri, 16 Dec 2011 04:06:54
        "It's not the end of the world", Reality, Fri, 16 Dec 2011 05:48:17
        I don't disagree..., James, Fri, 16 Dec 2011 08:36:07
        By that logic, Reality, Fri, 16 Dec 2011 09:51:31
        Re: Cell phones not the only distraction!, jeff in MD, Thu, 15 Dec 2011 10:47:56
        Texting probably the worst thing..., Noel, Thu, 15 Dec 2011 11:36:27
        round and around, jeff in MD, Thu, 15 Dec 2011 11:43:31
        Re: round and around, Noel, Fri, 16 Dec 2011 06:53:54
        Re: round and around, Real, Thu, 15 Dec 2011 22:23:17
        dialing!, James, Thu, 15 Dec 2011 10:55:37
        Voice Dialing and Voice to Text, Reality, Thu, 15 Dec 2011 11:10:25
- doesn't matter anyway, ryan , Wed, 14 Dec 2011 12:42:45
  - Texting while driving up 50 per cent in U.S., JohnA , Wed, 14 Dec 2011 13:01:15
    - Yet vehicular fatality did not increase, Reality, Wed, 14 Dec 2011 18:55:46
      - BTW, I don't smoke at all, Reality, Wed, 14 Dec 2011 19:01:47
        Re: BTW, I don't smoke at all, Ultimated, Thu, 15 Dec 2011 04:59:56
        Re: BTW, I don't smoke at all, Reality, Thu, 15 Dec 2011 05:57:59
    - keep me AWAY from these people! n/m, JohnA , Wed, 14 Dec 2011 13:01:53
- Re: Cellphones and driving, JohnA , Wed, 14 Dec 2011 06:36:40
  - Re: Cellphones and driving, JerseySaab , Wed, 14 Dec 2011 07:48:41
    - I suspect the research is less than accurate., Noel, Wed, 14 Dec 2011 10:16:47
      - Re: I suspect the research is less than accurate., Judge Edo, Wed, 14 Dec 2011 17:56:22
      - Re: I suspect the research is less than accurate., Simon S, Wed, 14 Dec 2011 14:46:13
      - The truth - do your own test, nwas, Wed, 14 Dec 2011 13:15:28
        Exactly the opposite for me, Reality, Wed, 14 Dec 2011 21:06:33
        maybe you're a "supertasker"..., James, Thu, 15 Dec 2011 08:28:56
        Hey, stop inflating my ego :-), Reality, Thu, 15 Dec 2011 10:27:29
        Re: Exactly the opposite for me, James, Thu, 15 Dec 2011 08:24:13
      - Re: I suspect the research is less than accurate., JerseySaab , Wed, 14 Dec 2011 10:36:11
        Re: I suspect the research is less than accurate., JohnA , Wed, 14 Dec 2011 12:39:06
        Re: I suspect the research is less than accurate., JerseySaab , Wed, 14 Dec 2011 15:31:03
        Re: I suspect the research is less than accurate., JohnA , Wed, 14 Dec 2011 17:45:45
    - Re: Cellphones and driving, JohnA , Wed, 14 Dec 2011 07:56:05
      - Re: Cellphones and driving, JerseySaab , Wed, 14 Dec 2011 07:57:39
        Re: Cellphones and driving, Erik919kt, Wed, 14 Dec 2011 08:56:46
        Re: Cellphones and driving, TML , Wed, 14 Dec 2011 08:33:06
        Re: Cellphones and driving, JerseySaab , Wed, 14 Dec 2011 09:46:24

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