AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

EXPERIMENTAL VARIABLES IN PSYCHOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Bias is when certain groups may be over or under-represented within the sample selected
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Sampling bias occurs when some members of a population are systematically more likely to be selected in a sample than others. It is also called ascertainment bias in medical fields.

Detailed explanation-2: -Selection bias is a general term describing errors arising from factors related to the population being studied, but there are several types of selection bias: Sampling bias or ascertainment bias occurs when some members of the intended population are less likely to be included than others.

Detailed explanation-3: -Sampling bias is a type of survey bias that occurs when a research study does not use a representative sample of a target population. In other words, you gather data from a group in which some members of the intended population have a higher or lower sampling probability than others.

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