3 Questions 8 Answers 0 Followers
Questions related from Omar SH Al Omari
What is the best time intervals between pre-test and post-test to avoid testing effect (Simply recalling the information from pretest)? Based on my experience, one month is sufficient time...
13 October 2016 7,840 14 View
I developed a new survey. Cronbach's alpha was 0.85 based on 50 participants. However, inter item correlation for some items were less than 0.3 and some of them were even negative. Does this...
31 October 2015 5,690 6 View
Do I need to request permission to use Beck Depression Inventory and Beck Anxiety Inventory or I can simply use them since they are available in the public domain. How I can decide that any given...
01 January 1970 5,176 9 View