The majority of teachers do not recognize the benefits of educational robotics (Alimisis et al., 2007), and even when they
do, many are not prepared to use robots in teaching (Mataric et al., 2007). Teachers' STEM knowledge is required to teach
STEM content using robots, but a lack of teachers with STEM knowledge is a major concern in the US. Strategies such as
lowering tuition have been recommended for teacher education programs in the STEM fields to recruit more future teachers
and equip them with STEM knowledge (Greenberg et al., 2013). In addition, not only teachers' knowledge of STEM but also
their interests in STEMare critical in teaching STEM. Interest leads to active engagement in general (Fredricks et al., 2004) and
teachers' STEM knowledge in the absence of interest is less likely to impact their practice (Kim, Kim, Lee, Spector, &
DeMeester, 2013)