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- Garvill, Jörgen, 1942-, et al.
(författare)
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A note on information processing in cross-modal matching
- 1975
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Garvill, J., and Molander, B. A note on information processing in cross-modal matching. Umeå Psychological Re-.ports No. 95, 1975. - Intra-modal and cross-modal matching of farm was studied. The hypothesis that differences in accuracy between modality conditions found in earlier experiments were due to differences in rate of information pick-up between the visual and tactual modalities was tested. The modality conditions were visual standard or tactual standard and visual comparison or tactual comparison. The subjfects made paired comparisons of three-dimensional "nonsense" objects and were allowed to inspect the stimili for as long as they wanted. The time was measured for the standard object and the comparison object. It was found that the visual modality had a higher rate of information pick-up tharij the tactual modality. However, the differences in accuracy between the modality conditions were not eliminated despite the differences in presentation time. Other possible explanations of the differences in accuracy are discussed.
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- Garvill, Jörgen, 1942-, et al.
(författare)
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A note on the relation between cross-modal transfer of learning and cross-modal matching
- 1977
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Garvill, J., and Molander, B. A note on the relation between cross-modal transfer of learning and cross-modal matching. Umeå Psychological Reports No. 126, 1977. - Cross-modal transfer of learning was studied in a paradigm that closely parallels the one used for studying intra-modal and cross-modal Hatching. The hypotheses that (1) the asymmetric transfer effects found in studies of cross-modal transfer of learning and in studies of intra-modal and eros s-modal Hatching are compatible and (2) that they can be explained in terms of differences in information processing capacity between the visual and the tactual modality were tested. The results supported the hypotheses. It was also found that the amount of cross-modal transfer as well as the asymmetry of transfer are affected by letting the subjects practice the transfer task on each trial.
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- Garvill, Jörgen, 1942-, et al.
(författare)
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Effects of interference on intra-modal and cross-modal matching of form
- 1977
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Garvill, J., and Molander, B. Effects of interference on intra-modal and cross-modal matching of form. Umeå Psychological Reports No. 124, 1977. - This experiment was designed to test two hypotheses concerning differential memory for visually and tactually acquired information in intranodal and cross-modal matching of form. The intra-modal conditions were VV (visual standard, visual comparison)and TT (tactual standard, tactual comparison). The cross-modal conditions were VT (visual standard tactual comparison) and TV (tactual standard, visual comparison). Between the standard stimulus and comparison stimulus either an unfilled interval or a visual matching task or a tactual matching task was interpolated. The first hypothesis suggests that the memory traces for tactually acquired information are less stable than those for visually acquired information and thus more sensitive to interference. According to the second hypothesis there are modality specific memory storages and the information acquired are coded and stored in the memory for the comparison modality.This hypothesis predicts interference only when the interfering task is presented in the same modality as the comparison stimulus. The results gave clear evidence of interference. However, the interference effects were the same regardless of standard modality, comparison modality or kind of interference. Thus, the results suggest a common form of storage for visual and tactual information.
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- Garvill, Jörgen, 1942-, et al.
(författare)
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Intra-modal and cross-modal accuracy in a form discrimination task
- 1969
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Garvill,J., and Malandar, B. Intra-modal and cross-mcxåal accuracy in a farm discrimination task* thieå Psychological Reports, No, 11, 1969. - Intra-modal and cross-modal d iscrimnation was compared under two kinds of presentation either simultaneous ar successive. The modalities were vision and touch and the stimili three-dixrensicoal "nonsense" objects. The intta-modal conditions were expected to result in higher accuracy than the croBSHBßdal ocndit&ans. The asymmetric transfer effect (i.e. touch before vision better than vision before touch) usually found in experiments on cross-modal transfer, but not in experiments cai cross-modal matching, was expected to occur under the condition of successive presentation at least. Hie method was paired comparisons and the results showed higher aoeuraoy fee the intra-modal conditions as ccrapared to the cross-modal conditions. The expected asymmetric effect was not found. Differences between experiments cai cross-mcdal transfer and experiments en cross-modal matching are discussed.
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- Molander, Bo, 1940-, et al.
(författare)
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Effects of first stage variations of stimulus meaningfulness and response meaningfulness in the A-B, B-C, A-C paradigm
- 1975
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Molander, B., and Garvill, J. Effects of first stage variations of stimulus meaningfulness and response meaningfulness in the A-B, B-C, A-C paradigm. Uneå Psychological Reports, No. 85, 1975. - With CVC-syllables as low meaningfulness material and common nouns as high meaningfulness material, two levels of stimulus meaningfulness and two levels of response meaningfulness were corrbined to form the four first stage conditions HH, LH, HL and LL in the A-B, B-C, A-C paradigm. The results of the experiment, which was performed according to standard PA learning procedures, indicated that stimulus meaningfulness as well as response meaningfulness contributed to the mediation effects in stage three. The mediation effects, however, seemed to be directly related to first stage performance rather than to meaningfulness per se. The results also suggested that intra-pair and intralist similarity may be important acquisition variables in studies on mediation.
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