1) To determine whether a new sleeping pill has an affect that varies with dosage, a researcher randomly assigns adult insomniacs, in equal numbers, to receive either 4 or 8 grams of the sleeping pill. The amount of sleeping time is measured for each subject during an 8-hour period after the administration of the dosage. What type of design is this, and what type of statistic is needed to analyze the data (consider ABAB studies)?

2) Dr. Bill Board designs a 2 X 2 between-subjects factorial design, where Factor A is word frequency (low or high) and Factor B is category cues (no cues or cues). Assume that the data are interval. What type of statistic is needed to analyze the data?

References:

Topic 8 notes.https://lc.gcumedia.com/mediaElements/gcu-sequence-application/v3.1/#/showcase/sequence/87/9176

Witte, R. & Witte, S. (2017).Statistics(11th ed.). John Wiley & Sons.

http://www.gcumedia.com/digital-resources/wiley-and-sons/2017/statistics_11e.php