Psychology
Variable one
Brightness of background/recall of contents of a PowerPoint presentation
Non-directional hypothesis
• Brightness of background will affect contents recall
• Brightness of background will not affect recall
Directional hypothesis
• The brighter the background, the more will be recalled
Variable two
Quantity of training received / self-rated confidence before delivering an assembly
Non-directional hypothesis
• The quantity of training received will affect self rated confidence
• The quantity of training received will not affect confidence
Directional hypothesis
• The quantity of training received will increase the self-rated confidence before delivering an
assembly
Variable three
The volume of background noise/participants performance on a task
Nondirectional hypothesis
• The volume of background noise will affect performance
• There will be no effect on performance
Directional hypothesis
The more the background noise increases the performance on a task will decrease
Variable one
Brightness of background/recall of contents of a PowerPoint presentation
Non-directional hypothesis
• Brightness of background will affect contents recall
• Brightness of background will not affect recall
Directional hypothesis
• The brighter the background, the more will be recalled
Variable two
Quantity of training received / self-rated confidence before delivering an assembly
Non-directional hypothesis
• The quantity of training received will affect self rated confidence
• The quantity of training received will not affect confidence
Directional hypothesis
• The quantity of training received will increase the self-rated confidence before delivering an
assembly
Variable three
The volume of background noise/participants performance on a task
Nondirectional hypothesis
• The volume of background noise will affect performance
• There will be no effect on performance
Directional hypothesis
The more the background noise increases the performance on a task will decrease
