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7.1 Planning Research

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Question 104

A researcher examines whether the length of time participants study a sequence of 15 unfamiliar symbols affects how many symbols they can write down correctly afterwards. Two groups are used. The conditions and results are shown below.

Study timeLighting in testing roomMean symbols written correctly (out of 15)
2 minutesBright overhead lighting9
5 minutesDim overhead lighting11

State the factor the researcher intended to test and the measure used to record performance. Suggest one aspect of the procedure that should have been identical for the two groups. Explain how variation in this aspect could affect the scores and how it could therefore provide an alternative explanation for the difference between the group means.

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Markscheme

7.1 Planning Research Questions

  1. GCSE
  2. /Psychology
  3. /7.1 Planning Research

182 exam-style questions on OCR GCSE Psychology 7.1 Planning Research, covering 7.1.1 Hypotheses, 7.1.2 Variables, 7.1.3 Experimental Designs, 7.1.4 Populations and Sampling, 7.1.5 Ethical issues, and 7.1.6 Dealing with ethical issues and BPS Code. Each one has a worked solution and a mark scheme showing where the marks go.

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