Chat with us, powered by LiveChat The ?state of the test taker may affect test performance and could be a ?serious source of error. Thematically, the test taker can be affected by ?biophysical, psychological, and/or social - Writingforyou

The ?state of the test taker may affect test performance and could be a ?serious source of error. Thematically, the test taker can be affected by ?biophysical, psychological, and/or social