AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sample is
A
the group that is treated in the same way as the experimental group except that the experimental treatment (the independent variable) is not applied
B
an educated guess about the relationship between two variables
C
the small group of participants, out of the total number available, that a researcher studies
D
any factor that is capable of change
Explanation: 

Detailed explanation-1: -Sample. the small group of participants, out of the total number available, that a researcher studies. Population. the total group being studied, from which the sample is drawn.

Detailed explanation-2: -Sampling is the process of selecting a representative group from the population under study. The target population is the total group of individuals from which the sample might be drawn. A sample is the group of people who take part in the investigation. The people who take part are referred to as “participants”.

Detailed explanation-3: -A representative sample is a small subset group that seeks to proportionally reflect specified characteristics exemplified in a target population. Representative samples often yield the best results but they can be the most difficult type of sample to obtain.

Detailed explanation-4: -Language of Statistics The entire group to be studied is called a population. An individual is a person or object that is a member of the population. A sample is a subset of the population (typically more than a single individual). A statistic is a numerical summary of a sample.

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