1.) what does the observed score represent in classical test theory? 2.) compare test-retest and alternate forms reliabilities. what are the strengths and weaknesses of each approach? please please respond to questions 1 and 2 well done! i posted it before and it was completely wrong and confusing, it is for my applied research methods class! please be detailed and specific. i want to see questions 1 & 2, i would really appreciate it. i really need it. its simple.