Specification

  • Alternative hypotheses. 
  • Experimental and null hypotheses.
  • Directional (one-tailed) and non-directional (two-tailed) hypotheses.

Past Paper Questions

1 Markers
  • State the independent variable (IV) of the investigation carried out by Tobias. (1) October 2019 P2
  • Identify the independent variable (IV) from the experiment conducted by Cherry. (1) January 2020 P2
  • State the independent variable (IV) of Harbinder’s experiment. (1) June 2017 P2
  • State the dependent variable (DV) of Harbinder’s experiment. (1) June 2017 P2
  • Identify the independent variable in this study. (1) June 2016
  • Identify the dependent variable in this study. (1) June 2016
  • State how the dependent variable (DV) has been operationalised in Zulikhat’s study. (1) June 2019
  • Identify the fully operationalised independent variable (IV) for this experiment. (1) January 2020
2 Markers
  • Give two operationalised variables Tau may have used in his investigation. (2) October 2018 P2
  • Give a fully operationalised non-directional (two-tailed) hypothesis for this study. (2) October 2016
  • State a non-directional (two-tailed) hypothesis for this study. (2) June 2017
  • State the independent variable (IV) and dependent variable (DV) for this study. (2) January 2018
  • State a non-directional (two-tailed) null hypothesis for this investigation. (2) June 2018
  • State a directional (one-tailed) alternative hypothesis for the high school study. (2) June 2019
3 Markers
  • State a fully operationalised directional (one-tailed) hypothesis for the experiment Oti carried out. (3) June 2018 P2
  • State a one-tailed (directional) hypothesis for this study. (3) June 2016 P2