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[ODP] Immigrant GPA in Danish primary school is predictable from country-level variab

#42
John,

I replaced my version with yours.

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Good question.

The first report with data writes:

Quote:Analysen baserer sig på detaljerede data på individniveau, indhentet fra Danmarks Statistik. Dette inkluderer oplysninger om de karakterer, hver
enkelt folkeskoleelev har opnået ved afgangseksamen i 9. klasse i perioden fra 2007 til 2009. Undersøgelsen er afgrænset til at omfatte resultater fra prøverne i de bundne eksaminer med ekstern censur ud fra en vurdering af, at karaktererne i disse eksamensprøver i højere grad kan sammenlignes end de, hvor eksterne bedømmere ikke har medvirket.

Følgende prøvekarakterer er dermed inddraget i undersøgelsen:
• Dansk læsning
• Mundtlig dansk
• Dansk orden
• Dansk retskrivning
• Dansk skriftlig fremstilling
• Mundtlig engelsk
• Mundtlig fysik/kemi
• Matematiske færdigheder (skriftlig)
• Matematisk problemløsning (skriftlig)

In my translation:

Quote:The analysis is based on detailed individual-level data which is retrieved from Statistics Denmark. This includes information about the grades every public school student has received at the final exams in the 9th grade in the period 2007 to 2009.
The analysis is restricted to the results from the mandatory exams with external censorship because these were judged to be easier to compare than those where external censors did not take part.

The following exam grades are thus included in the study:
- Danish reading
- Verbal Danish
- Danish order
- Danish spelling
- Danish writing
- Verbal English
- Verbal physics/chemistry
- Mathematical proficiency (written)
- Mathematical problem solving (written)

The second report writes:

Quote:De karakterer, som der ses på, er karakterer i de såkaldt bundne prøvefag ved folkeskolens afgangsprøve. Det drejer sig om:

Dansk, mundtlig
Dansk, læsning
Dansk, retskrivning
Dansk, skriftlig
Matematik, matematiske færdigheder
Matematik, matematisk problemløsning
Engelsk, mundtlig
Fysik/kemi, praktisk/mundtlig

Karakterer i alle de ovenstående fag er lagt sammen ved udregningen af de samlede gennemsnit for alle bundne prøvefag. I de fleste tilfælde er de seneste fem skoleår lagt sammen, så det er muligt at se på alle herkomstgrupper og underopdele nogle af grupperne på enkelte oprindelseslande. Dansk, orden har i nogle af årene også været et bundet prøvefag, men det er ekskluderet i alle beregninger. Elever i specialklasser og privatister (elever som ikke har mulighed for at aflægge prøve på en skole fx på grund af hjemmeundervisning) er heller ikke medtaget.

In my translation:

Quote:The grades we look at here are grades from the so-called mandatory exam classes at the public school's final exams. It concerns:

Danish, verbal
Danish, reading
Danish, spelling
Danish, written
Mathematics, proficiency
Mathematics, problem solving
English, verbal
Physics/Chemistry, practical/verbal

Grades in the above mentioned classes are summed in the calculation of the overall average for all mandatory exam classes. In most cases the five years [where data are from] are treated as one, so as to make it possible to examine all origin groups and further divide some of the groups into single origin countries. Danish, order has in some of the years also been a mandatory exam class, but it is excluded from all calculations. Students in special education classes and privatists (students who don't have the option to take the exam at a school e.g. because of home education) are not included either.

So, these are only the finals exams, not grades from the school year which tend to be mixed with non-g factors e.g. desire to please the teacher. I added in the paper:

The GPAs from the reports are based only on test results, not yearly grades, so they are less influnced by things such as teacher-student relationship. See the peer review discussion for details.

The classes are the same except that order was included in the first and excluded in the second.

It is also noteworthy that students in special ed. are excluded. There are more immigrants in these classes per capita (at least, that has been claimed in the press), so this would tend to reduce the GPA gap a bit.

I decided to look up the numbers in UNI-C. I found some numbers by generation. They are here in sheet #3.

Immigrants are overrepresented in special education classes, but only the second generation. They are also over-represented in the communal youth schools, which are often attended by children who have problems.

On the other hand, they are under-represented in the continuation schools with special offers. According to here, it is a holistic offer for students with special needs such as dyslexia or "general learning problems".

Now, if immigrants have lower GI in Denmark, one would certainly expect more marked numbers than these assuming that there is no immigrant status x diagnostization effect.

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Quote: What's up with footnote (3)?

Nothing. It is a single word that is a hyperlink to the URL in question. I have moved it into the text to avoid unnecessary creation of a footnote.

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Quote: Would you mind rerunning the correlations with native Danes excluded and letting me know if the results are similar. Immigrants (i.e., 1st and 2nd gen) often systematically perform differently than natives (i.e., a true immigrant effect), so there can be a immigrant x origin effect. I have found one before.

Sure.

Results here in sheet #4. I also put both the Pearson and Spearman correlations there, and a table of their discrepancies. The average difference is very small, Pearson's r being .04 and .03 higher than Spearman's r.

Below, there is the With minus Without Denmark discrepancies. The results were generally weaker without Denmark, especially in the small dataset.

It is easier to see why if one looks at the scatterplots. These are attached.

Let me know what you want me to note about the result of excluding Denmark. Note that in small datasets, removing a few datapoints can drastically change results.


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Messages In This Thread
[ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-02, 00:49:54
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-02, 03:13:04
Normality - by Emil - 2014-Nov-02, 05:37:41
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-02, 19:21:44
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-02, 19:32:02
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-02, 20:15:44
Shapiro test - by Emil - 2014-Nov-02, 22:39:48
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-03, 19:29:29
Spearman - by Emil - 2014-Nov-03, 04:17:20
Nonnormal - by Emil - 2014-Nov-03, 22:59:31
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-06, 01:32:32
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-06, 01:48:01
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-06, 02:46:26
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-06, 02:59:02
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-06, 03:57:07
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-06, 20:48:41
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-07, 02:31:06
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Nov-07, 20:24:16
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-09, 04:19:00
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-26, 19:38:54
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2014-Dec-30, 00:35:58
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-Jan-12, 22:12:58
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Jan-14, 14:28:28
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-Jan-25, 01:51:01
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Nov-27, 23:31:16
I have updated the paper to draft #4 - by Emil - 2014-Nov-29, 08:20:32
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2014-Dec-05, 01:19:52
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Dec-05, 10:54:41
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2014-Dec-27, 05:57:01
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Meng Hu - 2015-Jan-05, 19:33:18
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Peter Frost - 2014-Dec-30, 23:31:30
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Jan-14, 15:00:45
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Jan-13, 00:13:23
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Jan-25, 02:43:12
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Feb-02, 16:58:19
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-Feb-02, 19:21:15
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Feb-02, 20:34:14
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-Feb-02, 21:12:06
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Feb-03, 03:48:24
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Feb-05, 17:14:10
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-Feb-08, 03:52:29
Reply to John's #41 - by Emil - 2015-Feb-09, 04:15:15
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-Feb-11, 04:26:03
Draft #6 - by Emil - 2015-Feb-17, 05:04:22
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-Mar-12, 22:05:36
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Mar-13, 00:50:20
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Peter Frost - 2015-May-24, 18:13:12
Reply to Peter #47 - by Emil - 2015-May-26, 07:56:34
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Peter Frost - 2015-May-26, 18:42:03
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-May-26, 23:00:21
RE: [ODP] Immigrant GPA in Danish primary school - by Meng Hu - 2015-May-28, 08:32:30
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-May-28, 23:16:31
Reply to MH #51 - by Emil - 2015-May-28, 10:09:59
RE: [ODP] Immigrant GPA in Danish primary school - by Meng Hu - 2015-May-28, 17:34:38
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-May-28, 23:25:35
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Chuck - 2015-May-30, 19:52:15
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Jun-04, 14:36:24
RE: [ODP] Immigrant GPA in Danish primary school is predictable from country-level variab - by Emil - 2015-Jun-04, 18:15:24
 
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