Tex. Human Resources Code § 137.253

(a) A home visiting program is classified as either an evidence-based program or a promising practice program.

(b) An evidence-based program is a home visiting program that:

(1) is research-based and grounded in relevant, empirically based knowledge and program-determined outcomes;

(2) is associated with a national organization, institution of higher education, or national or state public health institute;

(3) has comprehensive standards that ensure high-quality service delivery and continuously improving quality;

(4) has demonstrated significant positive short-term and long-term outcomes;

(5) has been evaluated by at least one rigorous randomized controlled research trial across heterogeneous populations or communities, the results of at least one of which has been published in a peer-reviewed journal;

(6) follows with fidelity a program manual or design that specifies the purpose, outcomes, duration, and frequency of the services that constitute the program;

(7) employs well-trained and competent staff and provides continual relevant professional development opportunities;

(8) demonstrates strong links to other community-based services; and

(9) ensures compliance with home visiting standards.

(c) A promising practice program is a home visiting program that:

(1) has an active impact evaluation program or can demonstrate a timeline for implementing an active impact evaluation program;

(2) has been evaluated by at least one outcome-based study demonstrating effectiveness or a randomized controlled trial in a homogeneous sample;

(3) follows with fidelity a program manual or design that specifies the purpose, outcomes, duration, and frequency of the services that constitute the program;

(4) employs well-trained and competent staff and provides continual relevant professional development opportunities;

(5) demonstrates strong links to other community-based services; and

(6) ensures compliance with home visiting standards.