Which of the following is an accurate comparison of the methods used by Vohs and Schooler (2008) and Van Houtte and Jarvis (1995)?
Both studies randomly allocated participants to pet-owning and non-pet-owning groups.
Vohs and Schooler manipulated an independent variable, whereas Van Houtte and Jarvis compared naturally occurring groups.
Van Houtte and Jarvis manipulated belief in free will, whereas Vohs and Schooler measured existing pet ownership.
Both studies were case studies of one participant.
36 exam-style questions on Edexcel GCSE Psychology 7.2 Studies, covering 7.2.1 Vohs and Schooler (2008) and 7.2.2 Van Houtte and Jarvis (1995). Each one has a worked solution and a mark scheme showing where the marks go.