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Correlational findings

Study OECD (2017): study PT 2015

Public
15-16 aged, secundary school students, Portugal, 2017
Survey name
INT-PISA 2015
Sample
Respondents
N = 7325
Non Response
Assessment
Questionnaire: Conputer Assisted Web Interview (CAWI)

Correlate

Authors's Label
Exposure to bullying
Our Classification
Distribution
quartiles
Operationalization
Self report on 6 statements about incidence  of:
a: other students left me out of things on purpose
b: other students made fun of me
c: I was threatened by other students
d; other students took away or destroyed things that belonged to me
e; I got hit or pushed around by other students
f: other students spread neasty rumours about me
4 once a week or more
3 a few times a month
2 a few times a year
1 never or almost never

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-c-sq-n-11-b DM = - p < .05 Average happiness by bullied quarter
4 most bullied     M = 6,66
3                  M = 7,47
2                  M = 7,68
1 least bullied    M = 7,65

4-1 difference        -0,99 O-SLW-c-sq-n-11-b R² = .05 ns O-SLW-c-sq-n-11-b D% = - p < .05                        % unhappy
not frequently bullied    7,8
frequently bullied       25,5
- difference            -17,7

D% = -17,9 when controlled for:
- student characteristics
- school characteristics