The main problem associated with subject attrition during the course of a study is that
A. regression toward the mean on the dependent variable measure is likely.
B. the group with the most participants remaining at the end of a study will likely have higher posttest scores.
C. the researcher can no longer use statistical analysis to understand the results.
D. groups initially created to be equivalent may no longer be equivalent.
D. groups initially created to be equivalent may no longer be equivalent.
You might also like to view...
You are using the narrative approach. Whatever possible self you choose to pursue, you are more likely to become what you imagine if you
a. elaborate your story, making it more detailed and "real" as you gradually adopt new patterns. b. find a role model completely opposite of your personality to identify with and to imitate. c. remind yourself that this approach will dramatically change your personality traits, so be sure that you want to change. d. remind yourself to be patient since it will take at least two years before a significant change can be made in one's personality.
Compared with normal male fetuses, females with congenital adrenal hyperplasia (CAH) are exposed to about _________ amount of androgens
a. twice the b. half the c. the same d. five times the
Jeremy is in a crowded restaurant and is deeply involved in a conversation with one of his friends when he hears someone call his name from across the room
Immediately, Jeremy pauses his conversation and orients towards the person who called his name. This is known as the __________ a) cocktail party phenomenon. b) phi phenomenon. c) name-orientation response. d) subliminal perception.
Grandma Salicetti came to the United States from Italy when she was 18. She learned English but not very fluently. She recently had a stroke, and although she can still speak, she is having some difficulty. Which of the following is the most likely outcome?
A. She will still be able to speak English fluently but not Italian. B. She will still be able to speak Italian fluently but not English. C. She will have trouble speaking both languages equally fluently. D. She will still be able to speak both languages fluently but not understand either.