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Edexcel A-Level Psychology AS 2.2.4 Directional One Tailed and Non Directional Two Tailed Tests Questions

Practise Edexcel Psychology questions writing operationalised directional and non-directional hypotheses that match the study variables and predicted outcome.

Syllabus
First assessment 2026
Course
Psychology XPS01/YPS01
Level
AS

Exam points

  • write a one-tailed hypothesis with a predicted direction and operationalised variables
  • write a two-tailed hypothesis stating a measurable difference without predicting direction

Edexcel A-Level Psychology AS 2.2.4 Directional One Tailed and Non Directional Two Tailed Tests Questions question 1

[Maximum number: 2]

A group of researchers are testing whether the number of words that can be recalled from a list is influenced by gender. One group of participants is female and the other group of participants is male. Participants have to learn and recall words from a list of 50. Each participant is given a recall score out of 50. The results of this study are shown in Table 2.

Table for Question Edexcel A-Level Psychology AS 2.2.4 Directional One Tailed and Non Directional Two Tailed Tests Questions question 1 — Edexcel A-Level Psychology AS

Table 2

Give a fully operationalised non-directional (two-tailed) hypothesis for this study.

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