Scientific hypotheses are generated for research studies. Which of the following is an example of a scientific hypothesis?
"Space exploration benefits our world, and the United States needs to increase funding for NASA."
"Marital satisfaction tends to improve when the youngest child is grown and leaves the home because parents now have more time and energy for the marital relationship."
"HIV causes AIDS, and AIDS is a disease that will never be cured."
"If a tree falls in the forest, and no one is there to hear it, does it make a sound?"
"Marital satisfaction tends to improve when the youngest child is grown and leaves the home because parents now have more time and energy for the marital relationship."
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Identify the possible reaction to stereotype threat
the comparatively high drop-out rate for African American males many young girls' preferences for playing with dolls over trucks married couples' arguments about money college students' practice of referring to professors by their last names
In order to utilize the multiple R in making specific Y predictions
a. the scores must be in interval form b. at least two slope values must be determined c. Ho must be rejected for each of the internal r's d. all of these