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health, Self-Determination Theory, Strength Model of Self-Control,…
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Transtheoretical Model
Six Stages
Precontemplation
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Individuals tend to avoid reading, talking, or thinking about their high-risk behaviour
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Preparation
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May have already taken supplementary action, such as consulting a doctor, buying a book, or setting a goal
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Termination
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Since termination may not be practical for majority to achieve, not given as much research
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10 Processes of Change
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Consciousness Raising
Finding and Learning New Facts, Ideas, and Tips that Support the Healthy Behaviour Change
Dramatic Relief
Experiencing the Negative Emotions (fear, anxiety, worry) that go along with the unhealthy behavioural risks
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Reinforcement Management
Increasing the rewards for the Positive behaviour change and Decreasing the rewards of the Unhealthy behaviour
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Stimulus Control
Removing reminders or cues to engage in the unhealthy behaviour and adding cues or reminders to engage in the healthy behaviour
Social Liberation
Realising that the social norms are changing in the direction of supporting the healthy change behaviour
Made by Prochaska et al. 2008 (based on Prochaska & DiClemente, 1970s~)
Temptation
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In TTM, self-efficacy and temptation are measured with the same instrument (reversed)
Core Principles
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The relative weight assigned to benefits and costs must cross-over before a client will be prepared to take action
Strong Principle
To progress from precontemplation to effective action, the rewards for changing must increase by 1 SD
Weak Principles
To progress from contemplation to effective action, the perceived costs of changing must decrease by 0.5 SD
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Health Belief Model
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Carpenter, 2010 (Meta-analysis)
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Jones et al., 2014 (Systematic Review)
78% of studies reported significant improvements in adherence to health interventions, but only 6 studies (1 / 3 of all) used the HBM in its entirety
Weapons of Influence
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Physical Attractiveness
We automatically assign to good looking individuals a halo of traits, such as talent, kindness, honest, and intelligence
Similarity
Similarity can be in the form of opinions, personality traits, background, or lifestyle
Emswiller et al. (1971)
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Donation given 67% of time when dressed similarly, and 50% of the time when dressed differently
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Contact and Cooperation
We are more favourably disposed toward the things with which we are familiar and with which we have had contact
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Frenzen & Davis (1990)
Guests' fondness for hostess weighed twice as heavily in purchase decision as their regard for the product they bought
Regan (1971)
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Later, confederate asked participants for favour (selling raffle tickets).
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Contrast Principle
If a second item is fairly different from the first, and it is presented shortly after the first, we will tend to see it as more different than it actually is
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Cialdini et al (1975)
Students invited to guide juvenile delinquents around zoo for one day (as part of counselling program). 17% compliance
Other students asked same question, but beforehand were asked for a bigger request (committing time per week to the delinquents for two years). 50% compliance with zoo offer
“It is much more profitable for salespeople to present the expensive item first, not only because to fail to do so will lose the influence of the contrast principle; to fail to do so will also cause the principle to work actively against them.” (p. 13).
- Commitment and Consistency
After making a choice we encounter personal and interpersonal pressures to behave consistently with that commitment
Moriarty (1975)
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20% protected the items of a stranger on a beach, 95% protected the items when agreeing to do so
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Provine (2000)
Canned laughter causes audiences to laugh longer and more often when humorous material is presented and to rate the material as funnier
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Goal Prioritisation
Lack of progress toward personal goal makes acquisition of that goal scarce, and causes shifts in goal priorities
Louro et al. (2007)
Physical activity increased (relative to alternative) when individuals led to believe that progress toward PA goal was lagging
Milgram (1974)
2/3 participants delivered the highest 'shock' (450 volts) due to the instructions of an authority figure
Cialdini (2001)
Compliance to exercise programs increased by 34% when request was made by ‘credible’ physical therapists as opposed to ‘less credible’ physical therapists.
Fear Appeals
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Recent Meta-analyses
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Tannenbaum et al. (2015)
Results showed positive effect of fear appeals on attitudes, intentions, and behaviour
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Cigarette Packaging
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Noar et al (2016)
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Repeated pairing between cigarettes and offensive stimuli lead to less desire to smoke, which likely lead to perceptions of ability to quit.
Healthy Food Choices
Hollands et al (2011)
Stronger effectiveness of intervention (aversive images) when associated with higher implicit attitudes
A persuasive communication attempting to arouse fear in order to promote precautionary motivation and self-protective action
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Inoculation Theory
Biological/Viral Analogy
With medical inoculation, weakened offending agent (e.g., virus) introduced to body stimulating production of antibodies.
With attitudinal inoculation, weakened offending agent (weak counterarguments) introduced, motivating protection (attitude strengthening) against offending persuasion.
Scholars differ in the extent to which they are wedded to the medical analogy when researching attitudinal inoculation.
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Resisting Persuasion
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Two-sided messages more effective at protecting new attitude against attack (Lumsdaine & Janis, 1953)
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Common Components
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Refutational Preemption
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Cross-situational Effect
Defenses strengthened against later counter-attitudinal attacks that are not included in inoculation message
"Bad News" Game
Basol et al (2020)
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Playing Bad News shown to significantly improve ability to spot misinformation compared to control, and boost confidence in judgments.
Maertens et al (2021)
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With boosters (reassessments), inoculation effects remained after 3 months.
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