Determine whether the study described is a randomized experiment or an observational study. A math department chair wants to determine the effectiveness of online homework systems. She selects four college algebra where each one is set up to use a different online homework getom students have already enrolled in the classes. She administers a common pretest and final exam to measure the effectiveness. Choose the correct answer. Randomized experiment Observational study

a. Explain four reasons why a researcher needs to sample during research. (12 marks) Use the problem statement to answer question 1b . 'The purpose of the study was to investigate the impact of systematic cooperative learning and test-taking strategies on one component of academic performance, the recall of text material'. b. i. Which type of research was done? ii. What is the dependent variable? iii. What is/are the independent variable(s) in the study? (2 marks) (2 marks) iv. What scale of measurement is the variable 'academic performance'? (2 marks) (2 marks) a. Enumerate four criteria for evaluating research hypotheses. (8 marks) b. i. Differentiate between null and alternative hypotheses. (4 marks) ii. State two examples each of null and alternative hypotheses. (4 marks) iii. State two sources of research problems. (4 marks) Page 1 of 2

What does the P in AVPU stand for? Perception. Position. Choose one option then select Submit. Pressure. Remember Choose 1 option Physical. bark 3 - q5

Treating someone badly because they have made a complaint, or helped to support one, is an example of ..... Victimisation Harassment Direct discrimination

If the autistic individual has mental capacity, they have a right to make unwise decisions. True or False? True False

Autistic individuals can experience 'hyposensitivity' (under stimulation) or 'hypersensitivity' (over stimulation) in any of the seven senses: sight, sound, touch, taste, smell, balance or body awareness. True or False? True False

Charlie enjoys walking and follows a specific route around the local area. His carers decide to drive Charlie to a different location for a change of scene. Charlie doesn't want to leave the vehicle. What would you do differently? Select all of the correct answers. Ask Charlie if he would like to change his routine Explain the risks and consequences for Charlie to make an informed decision Prepare Charlie for the change by giving him the information he needs over a period of time Do not do anything differently

Behaviour has no purpose, there is no reason why we behave in certain ways. True or False? True False Submit

Module Two - Practicing PBS Proactive, active and reactive strategies should be the same for all individuals. True or False? True False Submit

a. Enumerate four criteria for evaluating research hypotheses. b. i. Differentiate between null and alternative hypotheses. ii. State two examples each of null and alternative hypotheses. iii. State two sources of research problems.

Having a lack of social imagination means that there is a lack creativity or imagination. True or False? True False