# AP PSYCHOLOGY

## RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

### THE SCIENTIFIC METHOD AND DESCRIPTION

 Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
inferential statistics
 A an arrangement of data that indicates how often a particular score or observation occurs B a number that describes something about the “average” score of a distribution C numerical methods used to determine whether research data support a hypothesis or whether results were due to chance D a graph of frequency distribution shaped like a symmetrical, bell-shaped curve; a graph of normal distribution data
Explanation:

Detailed explanation-1: -The most common methodologies in inferential statistics are hypothesis tests, confidence intervals, and regression analysis. Interestingly, these inferential methods can produce similar summary values as descriptive statistics, such as the mean and standard deviation.

Detailed explanation-2: -Inferential statistics use measurements from the sample of subjects in the experiment to compare the treatment groups and make generalizations about the larger population of subjects. There are many types of inferential statistics and each is appropriate for a specific research design and sample characteristics.

Detailed explanation-3: -Hypothesis testing makes use of inferential statistics and is used to analyze relationships between variables and make population comparisons through the use of sample data.

Detailed explanation-4: -Answer and Explanation: A t-test is a type of statistical test that is used for comparing the means between two groups.

There is 1 question to complete.