I the Basic Question in Testing the Significance of Rho

question 50

Multiple Choice

i. The basic question in testing the significance of rho is to see if there is zero correlation in the
Population from which the sample was selected.
ii. A t test is used to test the significance of the coefficient of correlation.
iii. When testing the strength of the relationship between two variables, the alternate hypothesis is:
H0: ρ ≠ 0.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Construct

An abstract concept that is specifically chosen or created to explain a given phenomenon.

True-Experimental Design

True-experimental design is a type of experimental research methodology that involves the manipulation of variables, control of extraneous variables through random assignment, and the comparison between a control group and one or more experimental groups to determine causal relationships.

Cause and Effect

A relationship between two events where one event (the cause) directly results in the other event (the effect).

Applied Research

Research aimed at solving practical problems rather than acquiring knowledge for knowledge's sake.