African Americans are stronger as a result.
African Americans are more hopeful of the future.
African Americans are better off than other black people around the world.
One method used to demonstrate the reversibility of the effect of the independent variable is a(n) ABA design.
ABA designs are experimental designs that support causal reasoning, and the data generated by such designs contributes to our knowledge of evidence-based interventions in behavioral science. A feature of ABA design is that it focuses on individual behavior.
The most basic single-subject study design is the reverse design, also known as the ABA design. In the first phase A, the baseline of the dependent variable is established. This is the level of response before treatment is initiated, and the baseline stage is a form of control.
Learn more about design here: brainly.com/question/1212088
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Lincoln signed 14 copies as a symbol of his enthusiasm and support for the resolution. Soon after, the Senate declared Lincoln's signature “unnecessary,” rebuking him on the grounds that the president has no constitutional role in proposing or passing constitutional amendments.
