Is there an equivalent to advanced answer options (for multiple choice) for True or false questions that allows me to explain on the slide why the selected answer is wrong?
Not for Multiple Response (Multiple Answer) questions. You can achieve something similar to a True False question by just having a Multiple Choice question with only two answer options. Call one of them True and the other False, then you can use the Advanced Answer option as before.
Thank you. I've added the explanation to the message that is provided to the learner when the answer is wrong instead. Since there are only 2 possibilities, it makes if the participant has the wrong answer, we can automatically explain why it is wrong and why the other answer is right.
Did you ask the same question in the eLearning community? Because what you write now looks very similar to what I answered over there: