Evidence map›Paper›PMID 31153095›Full record

ArticleAddictive behaviors2019

Selective invalidation of ambivalent pro-marijuana attitude components.

William D Crano, Candice D Donaldson, Jason T Siegel, Eusebio M Alvaro, Erin K O'Brien

Abstract read
In one paragraph

Article in Addictive behaviors, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

  1. Trial
  2. Article
  3. Associations Between Family and Peer E-Cigarette Use With Adolescent Tobacco and Marijuana Usage: A Longitudinal Path Analytic Approach.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2021
    Article
  4. The importance of psychology for shaping legal cannabis regulation.Experimental and clinical psychopharmacology · 2021
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

William D CranoDepartment of Psychology, Claremont Graduate University, Claremont, CA 91711, United States of America. Electronic address: william.crano@cgu.edu.
Candice D DonaldsonDepartment of Psychology, Claremont Graduate University, Claremont, CA 91711, United States of America.
Jason T SiegelDepartment of Psychology, Claremont Graduate University, Claremont, CA 91711, United States of America.
Eusebio M AlvaroDepartment of Psychology, Claremont Graduate University, Claremont, CA 91711, United States of America.
Erin K O'BrienDepartment of Psychology, Claremont Graduate University, Claremont, CA 91711, United States of America.

Funding

Understanding and overcoming adolescents resistance to anti-marijuana adsR01DA032698 · NIDA · CLAREMONT GRADUATE UNIVERSITY · PI CRANO, WILLIAM D. · 2013 to 2016
$1.6M
NIDA NIH HHS R01 DA032698
6 · The paper itself

Abstract

introductionAttitudes of drug-abstinent youth considering marijuana initiation can be highly ambivalent. Invalidating pro-usage elements (i.e., opinions) of ambivalent marijuana attitudes, while leaving anti-marijuana elements intact, may create stronger, less ambivalent marijuana-resistant attitudes and lower usage intentions, while concurrently elucidating the role of ambivalence in persuasive prevention.

methodFrom an initial pool of marijuana-abstinent middle-school students (N = 538), the quintile expressing the most negative attitudes toward a marijuana prevention appeal (N = 101) were randomly assigned to one of three conditions designed to invalidate pro-marijuana opinions. Analyses then tested their susceptibility to a second marijuana prevention appeal.

resultsPersonally threatening messages were found ineffective, but appeals contesting resistant responses significantly decreased ambivalence (p < .01). Mediational analyses showed that this decreased ambivalence was associated with less favorable attitudes and lower marijuana usage intentions (both p < .001). An attribution-based manipulation increased ambivalence (p < .05), which was associated with positive usage intentions mediated through positive attitudes (both p < .001).

conclusionAnalyses elucidated the role of attitude ambivalence in prevention, providing a more complete understanding of potential facilitative use of ambivalence in prevention models based on prevention. Results support the further examination and use of methods that invalidate pro-marijuana opinions, thereby leading to greater susceptibility to subsequent prevention appeals.

Indexed as

AttitudePersuasive CommunicationAdolescentCaliforniaChildFemaleHumansMaleMarijuana SmokingMarijuana UseSchoolsStudentsAdolescentsAmbivalenceAttitudeMarijuanaOpinionSelective invalidation

Identifiers

PMID31153095
PMCPMC6602084

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.