Week 10 Description: Examining Differences in Group and Time

Question 1

Research question two types:
we answer with data/evidence

Answer 1

-Relationship (straightforward=what is relation between A & B)
If A & B is categorical is chi square
If A & B are continuous is persons r

-difference (related to changes= group/time

Question 2

Examining Differences in GROUP & TIME

Answer 2

-Part 1: Exercise on how to select correct
statistics based on research questions

-Part 2: Research Questions on the
Differences (e.g., groups or time)

-Part 3: Demonstration of Using T-test statistics in SPSS

Question 3

How to know which we need to select (check power point for table & picture phone)

Answer 3

Depends on how many ID has

Question 4

-Samples are independent son separadas..either or or no puedes se US born y Foreign -born a la misma ves es una o otra

Answer 4

Example: single-parent vs two-parent family

Question 5

EXAMPLE GROUP DIFFERENCES
Is there any difference in starting annual salary ($)
between male and female MSW graduates?

Answer 5

Annual Salary is ($) is continuous
IV: male & female MSW graduates
DV: Starting Annual Salary

Question 6

Is there any difference in the level of depression
between clients with CBT and those with CBT +
medications?

Question 7

Is there any difference in the level of depression
between clients with CBT and those with CBT +
medications?

Question 8

EXAMPLE TIME DIFFERENCES (Before & After)

-Is there any difference in the level of depression before
and after the intervention aimed at reducing it?

Answer 8

O X O is the research design, it is a single group Pre-test & Post-test
O is for observation
X is for experimental (determination)

DV: Level Depression we use scale
IV:

Question 9

Is there any difference in the level of Independent Living
Skill scores among foster youths before and after the
intervention designed to improve their readiness for
independent living?

Question 10

THREE T-TEST Statistics

Answer 10

A) One-Sample T-Test

B) Dependent/Paired samples T-test
– Used for one-group pre- and posttest research design
(O X O)
– One same group (hence called paired or dependent)
measured at two different times to examine difference
in one continuous variable (DV) before and after the
intervention!
* Independent/Separate samples T-test
– Used to examine differences between two
independent (separate) groups (like male vs. female or
White vs. Black, etc.) in terms of one continuous
variable (DV)

Question 11

How to save output in pdf

Answer 11

Ya que tines El output para tenerlo pfd file

it a file