Mary wants to know the impact of medication and therapy on depression rates. She recruits 16 people who want treatment for depression she randomly assigns them to receive therapy or no therapy and to receive Medication or Placebo. After two months in the study, these are participants’ scores for depression as assessed by the Hamilton Depression inventory.
Medication |
Placebo |
|
Therapy |
3 |
5 |
3 |
6 |
|
5 |
3 |
|
7 |
3 |
|
No Therapy |
9 |
10 |
9 |
12 |
|
10 |
7 |
|
13 |
11 |
Two-Way ANOVA test
H0: There is no impact of medication and therapy on depression rates.
Ha: There is an impact of medication and therapy on depression rates.
ANOVA table | |||||
Source | SS | df | MS | F | p-value |
Factor 1 | 132.25 | 1 | 132.250 | 37.34 | .0001 |
Factor 2 | 0.25 | 1 | 0.250 | 0.07 | .7950 |
Interaction | 0.00 | 1 | 0.000 | 0.00 | 1.0000 |
Error | 42.50 | 12 | 3.542 | ||
Total | 175.00 | 15 |
A Tukey test is not necessary because we do not have any significant interaction.
Source | effect size |
Factor 1 | 0.7557143 |
Factor 2 | 0.0014286 |
Interaction | 0 |
Please give me a thumbs-up if this helps you out. Thank you!
Mary wants to know the impact of medication and therapy on depression rates. She recruits 16...
A psychologist would like to evaluate the effect of Cognitive-Behavioral Therapy and antidepressant use on depression. He obtains 10 clinical participants for a period of 2 months. During the first month, the participants are given no therapy; half the participants are given an anti-depressant and the other half receive a placebo. This is followed by a diagnostic Depression test (0-10). During the second month, those same participants continue treatment, but now all receive CBT. This is then again followed by...
0201 7) A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss She randomly assigns half of a group of overweight persons to a treatment group who are giver the herb with instructions as to use and a planned diet for six weeks. The other half of the group i given the same diet without the herb. Participants are aware as to which group they belong. A nurse at the...
please work on this discussion. Mary has come to your clinic. She is a single mom with 3 children. She is 23 years old and works two minimal paying jobs to keep her children taken care of. She has come in and requested medication for a urinary tract infection. She has come to your clinic three times before with the same symptoms. The first time the nurse practitioner saw her and prescribed her antibiotics. So she just wants you to...
A psychologist is interested in whether the number of times a day schizophrenics hear voices is impacted by the drug Clozapine, an antipsychotic. The researcher studies how many voices schizophrenics perceive in a 2 hour period between a group of participants who have taken Clozapine and a group of participants who take a placebo. The numbers are presented in the table below. Group 1 Placebo Group 2 Clozapine 9 4 8 5 4 6 7 5 5 3 7 Mean...
An educational psychologist has developed a mediation technique to reduce anxiety. The psychologist selected a sample of high anxiety students that are asked to do the mediation at two therapy sessions a week apart. The participants' anxiety is measured the week before the first session and at each subsequent session. Below are the anxiety scores for the participants. What can the psychologist conclude with α= 0.05? before session 1 session 2 9 6 8 5 8 6 9 6 8...
A psychologist is interested in whether the number of times a day schizophrenics hear voices is impacted by the drug Clozapine, an antipsychotic. The researcher studies how many voices schizophrenics perceive in a 2 hour period between a group of participants who have taken Clozapine and a group of participants who take a placebo. The numbers are presented in the table below. Group 1 Placebo Group 2 Clozapine 9 4 nducted on a population with ME75 and a sample with...
answer questions 7,8 and 9 Depression Inventory Score (Range of 0-50) Psychoanalysis (X1) Cognitive Therapy (X2) Applied Behavioral Analysis (X3) n = 11 M2 = 11 11 16 22 T, = 221 T2 = 386 14 21 12 12 Mb = 35.1 28 18 M = 20.09 9 34 SS. = 376.9 SS2 = 720.9 Totals EXP = 23214 G = 804 N = 33 K = 3 ng = 11 T3 = 197 Mg = SS3 = Using the...
Problem Set 3: (9 pts) This study investigated the cognitive effects of stimulant medication in children with Attention-Deficit/Hyperactivity Disorder (ADHD). Shown below are data for the Connors’ Continuous Performance Test (CPT) for 15 children diagnosed with ADHD. This is a visual vigilance task that requires the child to respond to the computer screen any time they see any letter other than “X”. An overall index is calculated that can be used to indicate attention problems based on reaction time, omission...
An experimenter wants to know if having a pet or friend present while taking a stressful math test helps reduce anxiety. She recruits 120 people to participate in the study and each person takes a difficult math test under a strict time limit. The participants are also randomly assigned to take the test alone, with a friend in the room, or with a therapy dog in the room. After taking the test, participants completed a survey that assessed how stressful...
only question 10 Psychoanalysis (X4) Totals M2 = 11 ni = 11 Ti = 221 Depression Inventory Score (Range of 0-50) Cognitive Therapy (X2) Applied Behavioral Analysis (X3) 11 16 22 T2 = 386 14 21 12 Me = 35.1 12 28 18 9 34 SS2 = 720,9 na = 11 T3 = 197 EX? = 23214 G= 804 N = 33 k= 3 M = 20.09 SS, = 376.9 M3 = SS3 = Using the datatable above, please answer...