Abstract：
:A pigeon earned its daily food by pecking a key according to reinforcement schedules that produced food about once per day. Fixed-interval (FI), Fixed-time (FT), and various complex schedules were arranged to demonstrate the degree to which a scalloped pattern of responding remained. Pausing continued until about an hour before the reinforcer could be earned for FIs of 12, 24, and 48 h. Pausing was not as long for FIs of 18, 19, and 23 h. Pausing of about 24 h was seen for FI 36 h. FT 24 h produced continued responding but at a diminished frequency. The pattern of responding was strongly controlled by the schedule of reinforcement and seemed relatively independent of the cycle of human activity in the surrounding laboratory. Effects of added ratio contingencies and of signaling the availability of reinforcement in FT were also examined. Signaled FTs of 5 min-3 h produced more responding during the signal (autoshaping) than did FTs of 19 or 24 h.
journal_name
Behav Processesjournal_title
Behavioural processesauthors
Eckerman DAdoi
10.1016/s0376-6357(99)00012-1subject
Has Abstractpub_date
1999-04-01 00:00:00pages
101-14issue
1-3eissn
0376-6357issn
1872-8308pii
S0376-6357(99)00012-1journal_volume
45pub_type
杂志文章abstract：:Learning in conditioning protocols has long been thought to depend on temporal contiguity between the conditioned stimulus and the unconditioned stimulus. This conceptualization has led to a preponderance of associative models of conditioning. We suggest that trial-based associative models that posit contiguity as the...
journal_title：Behavioural processes
pub_type： 杂志文章,评审
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journal_title：Behavioural processes
pub_type： 杂志文章
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journal_title：Behavioural processes
pub_type： 杂志文章
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pub_type： 杂志文章
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journal_title：Behavioural processes
pub_type： 杂志文章
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