This data set is from a study where researchers were interested in whether a lecturers' attractiveness affected their course evaluation. This is a cleaned version of the data set and contains the following variables:
the questionnaire result
does the lecturer have tenure; 1 == Yes. In R, this value is continuous
does the lecturer come from an ethnic minority (in the USA)
the lecturers' age
a factor: Female or Male
number of students in the class
each of the lecturers' pictures was rated by six undergraduate students: three women and three men. The raters were told to use a 10 (highest) to 1 rating scale, to concentrate on the physiognomy of the professor in the picture, to make their ratings independent of age, and to keep 5 in mind as an average. The scores were then normalised.
A data frame
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