AS psychology - research methods and ethics: types of alternative hypothesis

Question

types of alternative hypothesis

Freya Watson · Accepted Answer

Directional (One-Tailed): Specifies the direction of the effect.
Example: Sleep deprivation decreases cognitive performance.
Non-Directional (Two-Tailed): Does not specify the direction.
Example: Sleep deprivation affects cognitive performance.

AS psychology - research methods and ethics

Types of alternative hypothesis

Directional (One-Tailed): Specifies the direction of the effect. Example: Sleep deprivation decreases cognitive performance. Non-Directional (Two-Tailed): Does not specify the direction. Example: Sleep deprivation affects cognitive performance.

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