Acompany wants to produce a synthetic fire log that will burn longer than their competitors fire logs. what should designers do to ensure that their new fire log burns longer that fire logs of their competitors?

Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?

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When deciding on an apartment what should you do first?