Answer:
Omar has developed an intervention to improve the relationship between parents and their preschool-aged children. To evaluate the effectiveness of his intervention, Omar video-records parents interacting with their children and has two research assistants score the level of warmth in each interaction. Omar then compares the two sets of scores to examine <u>interrater
</u> reliability. He finds a high positive correlation of <u>r = .87</u>
between the two raters’ scores. If the observers were rating a categorical variable, Omar could have also looked at the <u>kappa</u> statistic.
Explanation:
Answer: Absolute threshold
Explanation: The absolute threshold is the minimum amount of energy, or quantity of a stimulus, required for it to be reliably detected at least 50% of the time it is presented. In this example, thedoctor is trying to find the quietest sound Ann can reliably detect (i.e., the absolute threshold). In contrast, to determine a difference threshold, the doctor would need to ask Ann if she perceived two sounds as being the same or different volumes.
Answer:
The constitution establishes and describes the duties, powers, structure and function of the California government. The 1879 constitution is the third longest in the world. The California Constitution strongly protects the corporate existence of cities and counties by granting them broad plenary home rule powers.
Constitution Required English and Spanish Documents
Section 21, Article XI of the 1849 Constitution decreed that all laws must be published in Spanish and English. Thus, for its first 30 years, California was a bilingual state. This provision was not included in the 1879 Constitution.
While the United States Constitution is the supreme law of the land, the California Constitution sets forth the duties, powers, structure, and functions of the state government.
Explanation:
I don't see the answer choices but ill try the best way i can to help
Answer:
D. He used members of a real sports team rather than members of the general population.
Explanation:
Quasi-experimental study: In research methods, the term "quasi-experimental study" is described as a study that encompasses manipulation of the "independent variable" in the absence of a random assignment of subjects or participants to orders of conditions or different conditions.
Correlational study: In statistics, the term "correlational study" is described as one of the different types of study designs in which research or an investigator tends to comprehend the type of relationship that a naturally occurring variable possesses with one another.
In the question above, the correct answer is option D.
