Fig. 5From: Digital measurement of hands-on performance? Ecological validation of a computer-based assessment of automotive repair skillsScatter plots indicate the relationship between the test scores of the video-based assessments (x-axes) and the hands-on assessments (y-axes) at the three stations “electric lighting”, “hydraulic brakes”, and “timing belt”. The curved lines were fitted with the LOESS algorithm, whereas the dashed red lines indicate linear regression which seems less appropriate for these dataBack to article page