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Table 2 Exploratory moderator analyses: adding studies added from author query

From: Locating unregistered and unreported data for use in a social science systematic review and meta-analysis

Includes added studies?

Level

k (ES)

Meta-analytic average (SE)

95% CI

t value (p value)

No

    

2.36* (.05)

 

Local

40 (121)

− .16 (.04)

− .24, − .08

 
 

Non-Local

7 (41)

− .04 (.03)

− .12, .05

 

Yes

    

0.83 (.42)

 

Local

41 (122)

− .18 (.04)

− .27, − .09

 
 

Non-Local

9 (49)

− .12 (.05)

− .26, .02

 

No

    

1.06 (.30)

 

US

31 (110)

− .17 (.04)

− .25, − .09

 
 

Non-US

16 (55)

− .09 (.07)

− .24, .08

 

Yes

    

0.62 (.54)

 

US

32 (113)

− .19 (.04)

− .27, − .10

 
 

Non-US

18 (58)

− .13 (.08)

− .29, .03

 

No

    

0.82 (.51)

 

Universal

43 (156)

− .12 (.03)

− .19, − .05

 
 

Tertiary

4 (9)

− .42 (.36)

− 2.48, 1.65

 

Yes

    

1.59 (.20)

 

Universal

45 (161)

− .13 (.04)

− .20, − .06

 
 

Tertiary

5 (10)

− .60 (.29)

− 1.57, .36

 
  1. “Includes added studies” column indicates if the results include the additional 3 studies and 6 effect sizes; local: school, school district, or city; non-local: region, state, or nation; k number of studies, ES number of effect sizes, SE standard error, CI confidence interval. t value and p value represent the test statistics from the meta-analytic moderator analyses