A total of 48 albino rats were observed over a 15-day period to determine the effects of drive level, maturation, and practice level on eating latency, amount of time during a 5-min. interval spent in eating, amount of food consumed, and rate of eating. In general, the effects of maturation and practice followed expected lines, with facilitation of consummatory behavior accompanying both maturational and experiential development. Although higher-drive Ss have shorter latencies and spend more time eating, they consume less food per unit of time spent in mastication than lower-drive Ss.
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