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- To KNOW and UNDERSTAND what a directional and non-directional hypothesis is.
- To ANALYSE a worked example of hypothesis writing in order to create on themselves.
- To APPLY knowledge of hypothesis to the grass heads project
- To APPLY knowledge of hypothesis to past exam questions
- Identify the IV and DV in a hypothesis.
- Take notes on definition of hypotheses in general and compare to science
- Take notes on definition of non directional hypothesis
- Take notes on definition of directional hypothesis
- Follow structure in booklet through a worked example of creating a hypothesis
- Using example in booklet for directional hypothesis try writing a hypothesis for two experiments.
- Using example in booklet for non-directional hypothesis try rewriting the hypothesis for two experiments above as non-directional hypothesis.
- Complete grasshead logbook.
Hypotheses: States what you believe is true. It is a precise and testable statement of the relationship between two variables. It is a statement, not a question or a prediction.
Directional Hypothesis: States the direction of the predicted difference between two conditions or two groups of people in a precise and operationalised way. Also known (for statistical tests) as a one tailed hypothesis. E.g. “Participants who IV (a) will state how the DV will differ compared to participants who IV (b) ”
Non-Directional Hypothesis: States that there is a predicted difference between two conditions or two groups of people in a precise and operationalised way without stating what that difference will be. Also known (for statistical tests) as a two tailed hypothesis. E.g.“There will be a difference in DV performance between IV (a) and IV (b)”
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Study Notes (TBC):
If you would like to download a set of study notes for this lesson, you can do so here. If you would like access to the original word file please tweet @psychopepper
TEXTBOOKS OR EXTRA READING:
I would suggest that you have a copy of one of the textbooks which will allow you to read around the subject matter, pre-read ahead of lessons or even take extra notes/practise questions afterwards. I would recommend the following (you do not need to replicate books, one of each type is plenty!)
- Complete Companion Series:
- Psychology for A Level: