Yes, there are several scales and measures designed to assess prosocial behavior, support, or attitudes towards the LGBTQIA+ community. These tools are used in social psychology, public health, and diversity studies to gauge individuals’ behaviors and attitudes toward LGBTQIA+ individuals and communities. Some of the commonly used measures include:

1. Attitudes Toward Lesbians and Gay Men (ATLG) Scale

• Purpose: Measures general attitudes toward lesbians and gay men.
• Details: Developed by Herek (1988), this scale includes separate subscales for attitudes toward gay men and lesbians. Although primarily focusing on prejudice and discriminatory beliefs, it can also capture pro-social attitudes through positive items.
• Source: Herek, G. M. (1988). "Heterosexuals’ attitudes toward lesbians and gay men: Correlates and gender differences." The Journal of Sex Research.

2. LGB Pro-Social Behavior Scale

• Purpose: Measures individuals’ prosocial behaviors directed toward supporting LGBTQ individuals.
• Details: This scale assesses how much someone engages in behaviors that actively support the rights and well-being of LGBTQIA+ people, such as participating in advocacy or defending someone from discrimination.
• Example: The scale items may ask respondents to rate how often they defend LGBTQIA+ individuals in conversations or how often they attend pro-LGBTQ events.
• Source: Specific details may vary, but such scales are found in studies on prosocial behavior in the context of LGBTQ rights.

3. Ally Identity Measure

• Purpose: Assesses the extent to which individuals identify as allies to LGBTQIA+ people.
• Details: This scale measures aspects of identity, such as individuals' self-identification as allies, their willingness to engage in advocacy for LGBTQIA+ rights, and their active support for the community.
• Source: Developed by social psychologists studying allyship and activism, particularly in LGBTQ+ contexts.

4. Sexual Orientation and Gender Identity Microaggression Scale (SOGIMS)

• Purpose: Measures experiences of microaggressions based on sexual orientation or gender identity.
• Details: Though focused on negative experiences (microaggressions), it also includes items that can indicate pro-social behavior when people stand up against microaggressions or offer support in hostile environments.

5. Modern Homonegativity Scale (MHS)

• Purpose: Measures subtle, modern forms of negative attitudes toward LGBTQIA+ individuals, including how people view advocacy and prosocial behaviors.
• Details: This scale can be reverse-scored to measure positive, prosocial attitudes, such as acceptance and support for LGBTQIA+ rights.

6. LGBTQ+ Ally Behavioral Inventory

• Purpose: Measures specific supportive actions taken by individuals in advocating for LGBTQ+ rights.
• Details: This tool assesses ally behaviors, such as attending LGBTQ+ events, educating others on LGBTQ+ issues, and challenging homophobic or transphobic remarks.

Using These Scales

Researchers typically use these scales in combination with other demographic and psychological assessments to understand how factors like empathy, social norms, or political beliefs influence prosocial behaviors toward LGBTQIA+ communities. If you're interested in specific studies that used these measures, searching within academic databases such as PsycINFO or Google Scholar will yield studies that validate or apply these tools.

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Yes, there are several scales and measures that assess prosocial behavior, attitudes, and support toward LGBTQIA+ individuals and communities. These scales generally measure factors like empathy, acceptance, and positive actions toward LGBTQIA+ people. Some of the commonly used tools include:

1. Attitudes Toward Lesbians and Gay Men (ATLG) Scale:

• Developed by Gregory M. Herek in 1984, the ATLG scale is widely used to measure heterosexual individuals' attitudes toward gay men and lesbians. Though it doesn't measure "prosocial behavior" directly, it taps into underlying attitudes that can influence such behavior. This scale could serve as a basis for assessing if a person might engage in prosocial or supportive actions toward LGBTQIA+ people.

2. Modern Homophobia Scale (MHS):

• This scale measures subtle, modern forms of homophobia or discrimination, such as feelings of discomfort or avoidance in certain situations involving LGBTQIA+ individuals. By capturing implicit bias, this measure helps identify attitudes that could hinder prosocial behavior.

3. Support for Lesbian and Gay Human Rights Scale:

• This scale assesses attitudes and behavioral support for LGBTQIA+ human rights. It evaluates the degree to which individuals advocate for equal rights and protection of LGBTQIA+ people, reflecting prosocial behavior in activism and public support.

4. Ally Identity Measure:

• This scale is designed to measure the identity and commitment of heterosexual individuals who see themselves as allies to the LGBTQIA+ community. It includes elements of advocacy, support, and prosocial actions toward LGBTQIA+ causes.

5. LGBTQ Ally Identity Scale:

• A specific measure of how people identify as allies to LGBTQIA+ individuals. This scale evaluates personal support and actions that can be considered prosocial in their efforts to advocate for equality, fairness, and understanding for LGBTQIA+ communities.

6. Social Attitudes Towards Transgender People Scale:

• A measure specifically designed to assess attitudes and behaviors toward transgender individuals. This can be used to evaluate prosocial behavior in supporting transgender people or understanding barriers to such behavior.

7. Multicultural Counseling Inventory (MCI):

• This tool evaluates therapists' or counselors' multicultural competence, which includes their ability to support LGBTQIA+ clients. While it's not limited to LGBTQIA+ populations, it measures factors like awareness, empathy, and skill in addressing diverse issues, which can reflect prosocial behaviors in a professional setting.

8. Gay Affirmative Practice (GAP) Scale:

• Used mostly in the counseling and therapy profession, this scale measures clinicians' affirmative practices with gay men and lesbians. It assesses whether professionals provide supportive, positive services, an example of prosocial behavior.

Custom Scales

Sometimes, researchers develop custom scales based on specific contexts, such as particular populations, settings, or regions. These scales could combine elements of general prosocial behavior measures with specific questions that target support and advocacy for LGBTQIA+ individuals.

If you're looking to create or adapt a scale to measure prosocial behavior toward LGBTQIA+ individuals, you can draw from existing attitudes, allyship, and human rights scales and adapt them with questions related to supportive actions and behaviors.