Exam 37: Going Beyond Your Sample

A researcher measured people's physiological reactions while watching horror films and compared them to when watching erotic films, and a documentary about wildlife. Different people viewed each type of film. The resulting data were normally distributed and the variances across groups were similar. What test should be used to analyze the data?

A researcher measured the same group of people's physiological reactions while watching horror films and compared them to when watching erotic films, and a documentary about wildlife. The resulting data were skewed. What test should be used to analyze the data?

A researcher measured the same group of people's physiological reactions while watching horror films and compared them to when watching erotic films, and a documentary about wildlife. The resulting data were normally distributed. What test should be used to analyze the data?

What is b0 in regression analysis?

Field & Lawson (2003) reported the effects of giving 7-9-year-old children positive, negative or no information about novel animals (Australian marsupials). This variable was called 'type of information'. Each child received all three types of information about different animals. Gender of the child was also examined. The outcome was the time taken for the children to put their hand in a box in which they believed either the positive, negative, or no information animal was housed [see Field, A. P., & Lawson, J. (2003). 'Fear information and the development of fears during childhood: effects on implicit fear responses and behavioural avoidance.' Behaviour Research and Therapy, 41, 1277-1293.]. How did they analyze their data?

R2 is known as the

Which of these statements about statistical power is not true?

A total of 933 people were asked what their favourite type of TV programme was: news, documentary, soap or sports. They could only choose one answer. The researcher knew the number of people who preferred each category of program. How should he analyze these data?

A researcher measured the same group of people's physiological reactions while watching horror films and compared them to when watching erotic films. The resulting data were normally distributed. What test should be used to analyze the data?

A researcher measured the same group of people's physiological reactions while watching horror films and compared them to when watching erotic films. The resulting data were skewed. What test should be used to analyze the data?