6(b) 

Based

on Gavin’s study, what is the threat to the type of validity mentioned in 6a? Justify

your answer and include support from the scenario given above.

6(a) 

What

type of validity might be affected in Gavin’s study

3. 

Goy is a researcher who specializes

in the area of perseverance and she would like to develop a scale to measure

level of perseverance. After developing her 10-item scale, she recruited 168

participants and requested them to complete the scale. A month later, she

requested the same participants to complete the exact scale again. Then, she

correlated the participants’ scores between the first administration and second

administration. What is the

2. Differentiate

internal validity and external validity.

What is a possible directional alternative hypothesis of this study? 

Construct a possible null hypothesis for this study

State the operational definition of the dependent variable in 3c.