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:
