Problem: Add one last sentence to this. Several factors can influence how a student performs on IQ tests. Practice and familiarity effects matter because seeing similar tasks twice in a short time can boost the second score even if true ability has not changed, especially when the same form is used (Calamia, Markon, & Tranel, 2012). Test conditions and the student's state also play a big role; sleep, nutrition, illness, anxiety, mood, motivation, room noise, temperature, and the student's comfort with the examiner can raise or lower performance. Cultural, linguistic, and educational backgrounds affect results too, since vocabulary and problem types may align better with some students' experiences than with others'. Additional influences include language proficiency and accommodations, examiner pacing, the student's motivation when stakes are high, recent instruction related to test content, and stereotype threat or worry about being judged (AERA, APA, & NCME, 2014). Need Assignment Help?