Negative experiences always affect infant and toddler behavior in negative ways, and positive experiences always affect infant and toddler behavior in positive ways.

This could be false because young children ( or babies ) can learn things from bad things and can learn to not do it. So it could affect them positively. 

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The average resting heart rate (hrrest) for a 34 year old is 73 beats per minute2. 34 year old males average heart rates of 71 bpm while females average slightly higher at 76 bpm2. the normal resting heart rate range for all adults and children 10 and over is between 60 and 100 beats per minute3. 90% of 34 year olds resting pulses fall within the range of 54 to 92 bpm. in general, an adult's resting heart rate will be lower for those in better athletic condition.