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. Author manuscript; available in PMC: 2022 Mar 15.
Published in final edited form as: J Interpers Violence. 2015 May 5;31(17):2824–2846. doi: 10.1177/0886260515581904

Table 1.

Variations in Prosocial Bystander Intervention Attitudes as a Function of Alcohol Use.

Non-Heavy Drinkers Heavy Drinkers
Bystander Behavior M SD M SD t p
Call 911 and tell the hospital if I suspect that my friend has been drugged. 4.25 0.95 4.01 1.05 1.86 .06
Call 911 if I hear someone yelling and fighting. 2.98 0.96 2.44 1.10 4.04 <.001***
Try to get help if I suspect a stranger at a party has been drugged. 3.73 0.97 3.44 1.15 2.11 .03*
Call 911 if I hear someone calling for help. 4.07 0.81 3.81 0.94 2.26 .03*
Go investigate if I am awakened at night by someone calling for help. 4.19 0.82 4.39 0.82 −1.88 .06
Call 911 if my friend needs help. 4.71 0.52 4.59 0.71 1.53 .12
Talk to the friends of a drunk person to make sure they aren’t left behind. 3.84 1.11 3.91 1.04 −0.48 .63
If I see someone at a party who has had too much to drink, I ask them if they need to be walked home so they can go to sleep. 3.28 1.16 3.17 1.18 0.77 .44
If my friend said they had an unwanted sexual experience but they don’t call it “rape,” I question them further. 3.75 1.04 3.45 1.12 2.13 .04*
Walk a stranger home from a party who has had too much to drink. 3.05 1.10 3.03 1.13 0.12 .90
Walk a friend home from a party who has had too much to drink. 4.62 0.64 4.48 0.78 1.54 .12
If a woman is being shoved or yelled at by a man, I ask her if she needs help. 4.14 0.83 4.36 0.72 −2.12 .03*
Knock on the door if I hear yelling and fighting through my dormitory walls. 3.26 1.09 3.08 1.00 1.29 .19
Talk with someone if I hear yelling or fighting through my dormitory or apartment walls. 3.54 1.07 3.05 1.20 3.39 .001**
Confront a friend who is grabbing, pushing, or insulting their partner. 4.21 0.79 4.21 0.83 0.00 1.00
Get help if I saw a friend grabbing, pushing, or insulting their partner. 3.62 0.98 3.17 1.12 3.30 .001**
If I saw a friend taking a very intoxicated person up the stairs to my friend’s room, I would say something. 3.64 1.04 3.58 1.05 0.49 .62
If I saw several strangers dragging a passed out woman up to their room, I would get help and try to intervene. 4.21 0.88 4.44 0.79 −2.07 .03*
If I hear an acquaintance talking about forcing someone to have sex with them, I speak up against it and express concern for the person who was forced. 4.21 0.83 4.25 0.79 −0.32 .75
Tell a person whose drink I saw spiked with a drug even if I didn’t know them. 4.56 0.73 4.65 0.64 −1.03 .30
Pour out someone’s drink if I saw that someone slipped something into it. 4.16 1.01 4.21 0.92 −0.40 .69
Ask a friend who seems upset if they are okay or need help. 4.54 0.66 4.48 0.66 0.68 .49
Ask an acquaintance who seems upset if they are okay or need help. 4.17 0.82 4.07 0.74 1.07 .28
Ask a stranger who seems upset if they are okay or need help. 3.64 0.90 3.39 0.97 2.13 .03*
Call a rape crisis center or RCa if a friend told me they were sexually assaulted. 3.78 0.98 3.58 1.15 1.44 .15
Call a rape crisis center or RCa if an acquaintance were sexually assaulted. 3.67 0.99 3.34 1.09 2.41 .01*
Call a rape crisis center or RCa if a stranger told me they were sexually assaulted. 3.33 1.08 3.02 1.12 2.16 .03*
Offer support to a friend if I thought they were in an abusive relationship. 4.41 0.69 4.24 0.83 1.69 .09
Offer support to a friend I suspect has been sexually assaulted. 4.36 0.77 4.30 0.78 0.66 .50
Share information about sexual assault and violence with my friend. 3.75 0.87 3.69 0.96 0.49 .62
Confront friends who make excuses for abusive behavior by others. 4.01 0.83 4.16 0.74 1.47 .14
Speak up against racist jokes. 2.81 1.20 2.47 1.22 2.18 .03*
Speak up against sexist jokes. 2.74 1.17 2.41 1.16 2.16 .03*
Speak up against homophobic jokes. 2.84 1.24 2.76 1.34 0.49 .62
Speak up against commercials that depict violence against women. 3.21 1.21 2.84 1.28 2.27 .02*
Speak up in class if a professor explains that women like to be raped. 4.06 1.11 3.81 1.37 1.49 .13
Speak up if I hear someone say “she deserved to be raped.” 4.24 0.99 4.03 1.08 1.55 .12
Watch my drinks and my friends’ drinks at parties. 4.22 0.81 3.61 1.16 4.68 <.001***
Make sure I leave the party with the same people I came with. 4.33 0.80 3.79 1.04 4.57 <.001***
Ask for verbal consent when intimate with my partner, even a relationship. 4.13 0.95 3.41 1.15 5.36 <.001***
I won’t stop sexual activity when asked to if I am already sexually aroused.b 1.65 1.14 1.73 1.10 −0.52 .60
When I hear a sexist comment I indicate my displeasure. 2.98 1.08 2.57 1.07 2.92 .004**
I obtain verbal consent before engaging in sexual behavior. 4.12 0.99 3.60 1.09 3.95 <.001***
If someone has been accused of sexual violence, I keep the information to myself.b 2.65 0.96 2.68 0.88 −0.28 .78
Educate myself about sexual violence and what I can do about it. 3.43 1.06 2.96 1.03 3.52 .001**
Call 911 if a stranger needs help. 4.12 0.83 4.05 0.85 0.69 .49
I see a man and his girlfriend whom I know in a heated argument. The man’s fist is clenched and his partner looks upset. I ask if everything is ok. 3.74 0.90 3.78 0.79 −0.30 .76
I see a man talking to a woman at a bar. He is sitting very close to her and by the look on her face I can see she is uncomfortable. I ask her if she is ok. 3.50 1.05 3.51 0.96 −0.06 .95
I see a man I don’t know and his girlfriend. His fist is clenched and his partner looks upset. I ask if everything is ok. 3.31 1.05 3.42 0.90 −0.85 .39
I encourage people who say they have had unwanted sexual experiences to keep quiet so they don’t get others in trouble.b 1.77 0.90 1.96 1.07 −1.50 .13
If I know information about an incident of sexual violence, I tell authorities. 3.67 0.95 3.59 0.80 0.66 .51
a

Resident counselor.

b

Item is reverse coded.

*

p < .05.

**

p < .01.

***

p < .001.