For each of the following rese

For each of the following rese

For each of the following research questions: a. Write the research question as an alternative hypothesis b. Write the corresponding null hypothesis c. Identify the independent variable(s) and dependent variable(s) d. State whether the hypothesis is one-tailed or two-tailed e. State whether the hypothesis is simple or complex 1. Do changes in age and skill level have an effect on memory? 2. Will increased stress decrease task performance? 3. Does perceived social rejection influence cooperative behavior? 4. Are heart rate and blood pressure increased by anxiety? 5. Can risky behavior be reduced by using a peer-mentoring program? For each of the following descriptions: a. Generate a research question b. Generate a corresponding alternative hypothesis 1. IV: Hours of sleep. DV: Memory (short-term recall). Type of hypothesis: simple; two-tailed. 2. IV: Task difficulty. DV: Completion time. Type of hypothesis: simple; one-tailed. 3. IVs: Reward magnitude; number of spectators. DV: Performance. Type of hypothesis: complex; one-tailed. 4. IVs: Expertise; gender. DV: Confidence; test-score. Type of hypothesis: complex; two-tailed. 5. IV: Age. DVs: Decision time; choice Type of hypothesis: complex; two-tailed.