Persistent conceptual bugs exist in how novices, from primary school to college age, program and understand programs. These bugs are not specific to a given programming language but appear to be language-independent. The three different classes of bugs are: (1) parallelism, the assumption that different lines in a program can be active at the same…

BASIC programing was taught to 95 undergraduates from a manual emphasizing the language's syntax or from a manual that included additional material on the underlying semantics. Both approaches produced equivalent learning of syntactic features of BASIC; however, semantically trained students developed fewer misconceptions and performed better on…