Aim & Hypothesis

a country or state where political power belongs to the people and their elected leaders, rather than a king or queen

Define Aim

• General statement

• Covering the topic

• That will be investigated

Define Hypothesis

• Testable Statement

• For the expected results

  • Of the Study

Define Null Hypothesis

• No difference in conditions

• Between 2 variables

• Independent doesn’t affect dependent

  • x doesn’t cause y

  • Will have “no” afffect

Define Alternative Hypothesis

• Shows differences or relationship

• Between variables

• How X effects Y

  • How Y different from X

What is a directional hypothesis

• The effect would be higher or lower

• Specific

  • Direction

What is a non-directional hypothesis

• Non specific

• Will have “an” effect

Define operationalisation

• How variables

• Will be measured and defined

• Time in seconds USING a stopwatch

• BE SPECIIFC

• Weight in kg USING a scale

Define IV

• Being MANIPULATED

• Sleep affects study performance

• Sleep is IV because sleep is being manipulated

Define DV

• Being MEASURED

• Sleep affects study performance

• Study performance because its being measured

Define Random Allocation

• Assigning participants

• To different experimental conditions

• by CHANCE without bias

• Group A or Group B

• Experimental vs Controlled

Define Randomisation

• Using chance

• At every stage of the experiment

• Ex, Selecting materials, participants to groups etc

How do I reduce cognitive bias

• Lottery method

• Coin toss

• Random number generator

• Dice roll