Psyc 355 week 1 8 complete homework solution

PSYC 355 Week 1-8 Complete Homework Solution

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PSYC 355 Homework 1

1. Single-Sample t-Test: Based on Green & Salkind – Lesson 22, Exercises 1–4 (Mod1_Lesson 22 Exercise File 1), but follow the instructions below instead.

2. Green & Salkind: Lesson 23, Exercises 6–8: (Lesson 23, Exercise File 1)

PSYC 355 Homework 2

Part 1 1. Group Statistics 2. a. Mean eating time for overweight individuals b. Standard deviation for normal weight individuals, c. Results for the test evaluating homogeneity of 3. The effect size is -1.6590451330094784 4. An independent-samples t-test was conducted to compare eating time in overweight people and normal weight people. There was a not a significant difference in the scores for overweight people (M=589, SD=42.615) and normal weight people (M=698.4, SD=82.949) conditions; t(38)=-3.975, p =0.

PSYC 355 Homework 3

Part 1: Green & Salkind: Lesson 25, Exercises 1–3 1. F ration for the group effect – 1. b. Sums of squares for the hair color effect – c. Mean for redheads d. p value for the hair color effect 2. An independent-samples t-test was conducted to compare violence against women after men watch nature films or explicit films. There was a significant difference in the scores for men who watch nature films (M=5, SD=2.121) and men that watch explicit films (M=7.71, SD=2.138) conditions; t(14)= -2.530, p = -5.015.

PSYC 355 Homework 4 Part One: Green & Salkind: Lesson 26, Exercises 1, 4, 5, 6, 7, and 8

PSYC 355 Homework 5

PSYC 355 Homework 6

PSYC 355 Homework 7

PSYC 355 Homework 8

Part 1 1. Mann-Whitney U Test This research scenario will be familiar to you. Do letters a, b, and c, answering the questions beneath your SPSS output. (3 pts for output and 2 pts each for a–c)