for my stats class

You are viewing Prof. Gupta's screen _ View Options v For each of the following experiments, determine the * *independent variable (IV)** and the **dependent variable (DV)* *. Example 1: A researcher wants to study whether listening to music while studying allects test performance. Some students study with music, while others study in silence. Afterwards, their test scores are compared. Example 2: A scientist investigates whether different amounts of sleep influence reaction time. Participants are assigned to sleep IDENTIFY THE either 4 hours, 6 hours, or 8 hours before completing a reaction time test. Example 3: IV AND DV A psychologist tests whether exposure to calming images reduces stress levels. Participants view calming images or neutral images, and their stress levels are measured through a questionnaire afterward. Example 4: Researchers examine if the type of feedback (positive or negative) affects students' motivation to complete a task. Some students receive positive feedback, others negative feedback, then they are asked how motivated they feel. Example 5: A study investigates whether taking a caffeine pill improves memory recall. Participants are given either a caffeine pill or a placebo, then asked to recall a list of words