ICCS 2009 Technical Report - IEA

Table 12.21: Factor loadings and reliabilities for the national index of students’ socioeconomic backgroundCountry Highest Parental Highest Parental Number of ReliabilityOccupation Education Books at Home (Cronbach’s alpha)Austria 0.79 0.77 0.71 0.63Belgium (Flemish) 0.81 0.81 0.59 0.58Bulgaria 0.83 0.83 0.67 0.67Chile 0.85 0.86 0.56 0.64Chinese Taipei 0.80 0.82 0.66 0.64Colombia 0.82 0.82 0.60 0.61Cyprus 0.80 0.79 0.53 0.52Czech Republic 0.80 0.78 0.65 0.60Denmark 0.81 0.79 0.65 0.62Dominican Republic 0.80 0.80 0.51 0.50England 0.79 0.75 0.68 0.59Estonia 0.79 0.80 0.54 0.52Finland 0.83 0.82 0.61 0.63Greece 0.85 0.84 0.67 0.70Guatemala 0.83 0.85 0.54 0.61Hong Kong SAR 0.80 0.82 0.67 0.64Indonesia 0.85 0.86 0.34 0.51Ireland 0.78 0.77 0.66 0.58Italy 0.83 0.83 0.67 0.68Korea, Republic of 0.77 0.78 0.68 0.59Latvia 0.79 0.79 0.55 0.52Liechtenstein 0.76 0.82 0.73 0.65Lithuania 0.81 0.81 0.63 0.62Luxembourg 0.84 0.82 0.76 0.73Malta 0.81 0.81 0.60 0.59Mexico 0.85 0.85 0.56 0.63Netherlands 0.79 0.74 0.63 0.54New Zealand 0.76 0.72 0.64 0.50Norway 0.79 0.77 0.63 0.57Paraguay 0.83 0.81 0.67 0.66Poland 0.82 0.84 0.71 0.70Russian Federation 0.77 0.71 0.65 0.50Slovak Republic 0.84 0.84 0.65 0.68Slovenia 0.82 0.82 0.56 0.58Spain 0.84 0.85 0.67 0.69Sweden 0.79 0.73 0.65 0.55Switzerland 0.83 0.82 0.71 0.69Thailand 0.81 0.83 0.54 0.58194ICCS 2009 technical report