One Researcher Defines Aggressive Behaviour in Kids as Instances of Punching

question 54

Multiple Choice

One researcher defines aggressive behaviour in kids as instances of punching and kicking.Another researcher defines aggressive behaviour in kids as any instance of hitting,kicking,biting,pushing,yelling,screaming,name-calling,scratching,etc.Both researchers conduct observational studies of kids on the playground at recess.These two researchers may find different results in their studies mainly due to

• A)different experimental conditions.
• B)use of different samples of participants.
• C)differences in their operational definitions of aggression.
• D)the experimenter expectancy bias.

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Definitions:

Level of Significance

A threshold in hypothesis testing, denoted by alpha, that determines the probability of rejecting a true null hypothesis, often set at 0.05 or 5%.

Testing

The process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.

Null Hypothesis

A statistical hypothesis that suggests there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.

Ratio

A quantitative relationship between two numbers showing the number of times one value contains or is contained within the other.