Purpose
The researcher must guarantee that every individual has an equal opportunity for selection and this can be achieved if the researcher utilizes randomization.
way
To select
some units which can represent whole, from a total set of units
The Types Of
Probability Samplings
Simple Random Sampling
Systematic Random Sampling
Stratified Random Sampling
Cluster And Multi-Stage
clues on how to lead a happier life.행복과 불행의 감정들이 사랑과 미움처럼 아주 밀접한 관계 속에서 공존한다는 인식은 보다 행복한 삶으로 이끌어 주는 귀중한 열쇠를 제공합니다.
It suggests, for example, that changing or avoiding things that make you miserable may well make you less miserable but probably won`t make you any happier.
1. The Paradox of Happiness행복의 역설
The Paradox of Happiness
It`s plain common sense-the more happiness you feel, the less unhappiness you experience. 더 많이 행복을 느낀다면 더 적게 불행을 경험한다는 것은 명백한 진리이다.
It`s plain common sense, but it`s not true. 그것은 명백한 진리이나 사실은 아니다.
Recent research reveals that happi
1. The accountants’ estimates in Exhibit 2 use the “most likely” sales projection in Exhibit 1 for each year. Is this appropriate? Explain.
In Exhibit 1, there are three probability of annual sales; 1,350,000lbs whose probability is 0.1, 1,650,000lbs whose probability is 0.6 and 2,250,000lbs whose probability is 0.3. Among three cases, the accountants use 1,650,000lbs, which is the “mo
Logistic Regression & Probit Regression by SPSS
I. Logistic regression
A. Extension of multiple regression but the dv is categorical
B. Value being predicted represents a probability, and it varies between 0 and 1
C. Possible to use categorical ivs (dummy coded, but won’t here)
D. Key concept: logit
1. natural logarithm (ln) of the odds
2.
3. Therefore, prob success + ? + + + +
E. SPS