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Scientists Use Many Techniques to Decrease Bias in Studies

question 41

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Scientists use many techniques to decrease bias in studies. What do scientists call the technique in which the participants do not know if they are receiving the actual treatment or a fake?


Definitions:

Significant Main Effect

A significant main effect is an observed effect in ANOVA that shows a meaningful difference in the dependent variable due to one independent variable, beyond chance.

Crime Area

A geographical region or location known for a higher incidence of criminal activities compared to surrounding areas.

Marginal Means

The average value of a variable across different levels of another variable, commonly used in the analysis of variance.

Significant Main Effect

In statistical analysis, a main effect that has been tested and found to statistically differ significantly from what would be expected by chance.

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