Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-inferential-statistics-37-en_uva-inferential-statistics-37-en
   name	uva-inferential-statistics-37-en
   section	Inferential Statistics
   type	schoice
   solution	FALSE, FALSE, TRUE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.042
   p-value	0.5565

   Question

   A researcher examines whether a new form of therapy helps to treat social anxiety. In which of the following cases is regression to the mean a possible problem in interpreting results from the longitudinal intervention study?

   
   
   1. FALSE: When there are strong individual differences in the level of social anxiety.
   2. FALSE: When placebo effects reduce social anxiety.
   3. TRUE: When there are changes over time in social anxiety.
   
   
   1. When strong individual differences exist in the degree of social anxiety…: Incorrect
   2. When placebo effects reduce social anxiety: Incorrect
   3. When there are changes over time in social anxiety: Correct