16 female rats were given 4-min. drinking tests in a 2-choice situation, water vs either .16%, 32%, 64%, or 1.28% sucrose. All Ss were tested with all solutions while satiated and while 23 5-hr water deprived. The preference thresholds were found to be: satiated, .43% and deprived, 1.16%. The results are discussed in terms of hedonic theory.
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