By Ugbor, Gloria Ngozi
This research is an ex-post facto aimed at establishing relationship between errors and some factors as a causative agent. The researcher looked at determinants of errors in written Igbo composition. The researcher work specifically went into identifying, analyzing and describing the mechanical and expressional errors primary school pupils make in written Igbo composition. The result of the study may direct the attention of Igbo teachers to the specific errors identified, thereby saving time on the teaching task and ensuring a greater level of understanding of the concept. The data collected with written work was analysed with chi-square (x2) test statistics for the hypotheses that was tested.